Mainliners Welding Academy: Courses, Cost & Career Paths
Table of Contents
A19-year-old from League City called his cousin on a Sunday night and said the words every career-changer dreads: “I want to learn to weld, but I have no idea where to start or what it will cost me.” Two weeks later he was standing in a fabrication shop in Texas City watching an instructor run a stringer bead on Schedule 40 pipe — and realizing the real question was never “which school is best,” it was “what will I actually be able to do when I walk out of that building.” This guide walks through Mainliners Welding Academy specifically, but every checklist, cost question and certification detail here applies to any trade school you are comparing.
Why Welding Training Is Suddenly in Such High Demand
If you landed here searching for Mainliners Welding Academy, here is the short version. It is a small trade school in Texas City, Texas, teaching adult learners the practical, in-demand welding processes used on real pipe and structural steel. Its advertised specialty is combo pipe welding, plus stainless steel and pipeline welding classes, aimed at career-changers and beginners who want to weld for a living.
That is the school in a nutshell. The more useful question: is now a good time to train?
The Shortage Is Real and Measurable
This is not a marketing story. The numbers come from American Welding Society Foundation workforce research. The AWS Foundation welding workforce data projects that 320,500 new welding professionals will be needed in the United States by 2029, roughly 80,000 openings every year between 2025 and 2029. That is not a one-time spike but a decade-long hiring treadmill.
The supply side explains why. An estimated 771,000 U.S. welding professionals were working as of 2025, and more than 157,000 of them are approaching retirement age. Experienced hands are leaving faster than new welders can replace them, and replacements need qualifications employers will accept.
Pay explains why people keep coming. The same data puts average hourly earnings for welding occupations at $26.76 and the national median salary at $55,600. That is a living wage for a trade learnable in about a year, and it is the biggest reason adults skip the traditional college track.
Why Adults Are Choosing Trade Schools Over a Four-Year Degree
Welding has always been learnable by apprenticeship. What changed is how many people are willing to wait four years for a general education that includes little of what they actually want to do. A trade school puts you in a booth under a stick or a torch in weeks rather than semesters.
There is also the arithmetic of debt and opportunity cost. If a short program gets you earning in the range above, and a four-year degree gets you there two years later with a different skill set entirely, the trade route stops looking like a fallback and starts looking like a decision.
One number in the AWS data is worth pausing on: only about 5 percent of welders in the workforce data are women. That shows who the industry has historically reached, and how much room there is to grow. If you are a woman considering the field, you are not entering a crowded room.
The Gulf Coast Advantage
Texas sits in the AWS South Central region, which covers Arkansas, Louisiana, New Mexico, Oklahoma and Texas. That region accounts for roughly 140,000 welders, one of the largest concentrations in the country. It also carries serious industrial demand: petrochemical plants, refineries, shipyards along the Gulf, offshore fabrication, and deep structural and pipe work in the Houston metro area.
Texas City sits right in the middle of that. A school like Mainliners can focus on pipe and pipeline work because the local market for pipe welders, stainless TIG work and structural fabrication is constantly replenished by maintenance shutdowns, expansion projects and new construction. Choosing the right electrode for each position and knowing why stick welding still wins on rough field steel are skills with steady local demand.
Why Combo Pipe and Pipeline Training Is Practical, Not Niche
Plain-language version of a combo welder: one person who can run stick (SMAW), MIG (GMAW) and TIG (GTAW) on pipe. That is the whole idea, and it is among the most employable skill sets in the shop world right now.
Production rarely matches one process to one task. A pipe spool might need a stringer bead in stick because the joint is dirty or the fit-up is rough, a fill pass in MIG because deposition rate matters, and the root or a stainless detail in TIG because the code requires clean, precise fusion. Hiring one person who can switch processes avoids training three, scheduling three and waiting on three outputs.
Pipeline work amplifies this. API 1104 qualified pipeline welding is dominated by stick, and the root pass has to be right whether it is laid uphill or downhill. Adding TIG and MIG competence makes a welder useful on nearly any pipe job in the region, not just the pipeline one.
Short Note: AWS Foundation education pathways, roughly. A technical school welding certificate takes 6 to 18 months. A community college associate degree takes 2 years. An apprenticeship ending with a journeyman card takes 3 to 4 years. A bachelor’s degree takes 4 years. The shortest route to a credential is also the most focused on welding itself. Pick the one that matches your timeline, budget and how much general education you actually want.
Demand Is Real. It Is Not a Guarantee.
Honest part: a shortage means employers compete for qualified welders, not that everyone who finishes a course has a job on Monday. Hiring still depends on hands that can pass a test, a credential an employer recognizes, and the willingness to show up early and keep learning. The demand is real; the outcome depends on what you do with the training.
The rest of this guide walks through what to look for in a welding course, what combo pipe programs actually teach day to day, how to compare cost and schedules, and the difference between a certificate and a qualification that moves your paycheck. Start with the school profile next.
What Mainliners Welding Academy Is and Where It Fits
Before you start comparing programs, you need an accurate picture of the school itself. Here is what is publicly documented about Mainliners Welding Academy, and just as importantly, what is not published anywhere a stranger can read.
The public profile
On its LinkedIn company page, Mainliners Welding Academy describes itself as an educational trade school in Texas City, Texas, founded in 2015. That listing gives the primary location as 952 N Pine Rd, Texas City, Texas 77591, and states that the school specialises in stainless steel and pipeline welding, teaching adult learners combo pipe welding alongside those two focus areas. It is a small operation by LinkedIn’s own figures: the page lists a team size of 2 to 10 employees and roughly 91 followers.
The Instagram account, @mainlinersweldingacademy, carries a following of about the same size, roughly 85 accounts, with a current bio referencing a “new shop in Hitchcock.” The feed shows a steady run of short video posts continuing through mid-2026. That Hitchcock line is worth noticing, because it implies the school’s working shop has shifted or expanded at some point, even as the LinkedIn address still points back to Texas City.
Publicly advertised training areas include stick welding, TIG welding, structural welding, pipeline welding, downhill welding and general hands-on welding. In plain language, that is a classic combo pipe curriculum wrapped around pipe-specific processes, and it matches the school’s own stated specialty rather than contradicting it.
Community footprint and instructor credibility
One of the more telling public records is the “Mainliners Puddle Pimpin’ Challenge” welding certification event, hosted within the Texas High School Welding Symposium programme. In that format, each welder’s test weld is evaluated by a Mainliners instructor, and the strongest students advance into a head-to-head competition. Putting your own instructor in the judging seat is a meaningful signal about where the school’s confidence sits: in the booth, not in a sales office. It also puts Mainliners staff in front of prospective students long before anyone enrols, which is a good recruiting practice and a decent indicator that the teaching staff actually weld.
Two caveats worth acting on
First, public listings point to two different website domains: mainlinersweldingacademy.com on LinkedIn and mainlinersweldingacademy.net on Instagram. Second, older business listings still use the name “Mainliners Welding School” rather than “Mainliners Welding Academy.” Put those together and the risk is obvious: a stale listing could send you to an old address, an outdated phone number, or a domain that no longer hosts anything useful.
Quick Note: what is actually public about this school
| Documented on public profiles | Not published, so you must ask |
|---|---|
| Founded 2015; trade school; Texas City, Texas (952 N Pine Rd) per LinkedIn | Tuition, payment terms, refund policy |
| Stated specialty: combo pipe, stainless steel, pipeline welding | Program length, weekly hours, class size |
| Training areas: stick, TIG, structural, pipeline, downhill, hands-on | Pass rates and job placement figures |
| Instagram bio referencing a new shop in Hitchcock | Instructor roster, credentials and years of experience |
| Mainliners Puddle Pimpin’ Challenge via the Texas High School Welding Symposium | Whether testing is in-house or at an AWS Accredited Test Facility |
So confirm the essentials directly before you commit a dollar: current physical address, current phone number, current website, and actual start dates. If you are comparing this against a larger program, it helps to see how a bigger school documents the same things, which is what the aerospace welding school breakdown of programs, costs and careers does for a very different market.
Where it fits
Judged on what is visible, Mainliners is a small, specialist, hands-on shop rather than a large public career academy. That is a genuine strength for anyone who wants pipe and pipeline work specifically, since the advertised course list is narrow and relevant rather than a general welding menu. It also means fewer bells and whistles, so the questions in the cost section of this guide matter more here, not less. And if the thinking behind the training is still unclear, read up on why SMAW still wins in the field before you commit to a curriculum that leans on it.
One last framing note: no public source here reveals pricing, class length, pass rates or who teaches which booth. That is normal for a small trade school, and it is also exactly why you should visit the shop, count the welders actually at work, and ask what code each course qualifies you for before you pay anyone.
The Course Lineup: Combo Pipe, Stainless, Pipeline and Downhill Welding
Mainliners Welding Academy’s own announcements name the training areas: stick welding, TIG welding, structural welding, pipeline welding, downhill welding and hands-on welding. The labels overlap, so here is each process in plain language, matched to the work you actually want.
Stick (SMAW): the code-work foundation
Stick runs a flux electrode whose coating burns to form its own shielding gas, so you can weld outdoors in wind, on dirty or rusty steel nobody ground back to bright metal. That forgiveness is why stick dominates pipeline and structural field work, and why students start here: no gas bottle, no feeder to set up. The trade-off is speed and cleanliness. Stick lays down slag, runs slower per inch of deposit, and needs tight control of electrode angle and arc length or the bead drifts off the joint. See why SMAW still wins.
TIG (GTAW): precise, clean, stainless specialty
TIG uses a non-consumable tungsten electrode with a separate filler rod, giving fine control over heat and filler placement. It is the process of choice for stainless, aluminum and thin-wall tube because heat input stays low and the bead comes out genuinely clean, and it is what gets hired for food, pharma, chemical and cosmetic stainless work. It is also the slowest of the big three, needs two hands and steady coordination, and a contaminated tungsten will contaminate the weld. Our aerospace TIG welding guide lays out the technique standards, and it applies well beyond aerospace.
MIG (GMAW): the speed workhorse
Gas metal arc welding feeds continuous wire from the gun, so you never stop to change electrodes. It has the highest deposition rate of the common processes and is the backbone of production structural shop work, where you fill inches of fillet weld and long seams in mild steel. It is also the most process-sensitive to set up: wire feed speed, voltage, shielding gas flow and gun travel angle all have to agree, or you get spatter, undercut and a wide, ugly bead. How shielding gas actually works explains the part students skip.
What “combo pipe” means in practice
Combo is short for combination welding: one welder who can move between stick, MIG and TIG on pipe. On a shop spool that means tacking and fitting with stick, filling and capping with MIG, then switching to TIG to dress the root or weld a stainless transition piece. On a pipeline crew it means running the root in stick and moving to a faster process for hot and filler passes where the procedure allows. A single-process welder is qualified for one narrow set of parameters; a combo welder can be handed whichever process the job needs, which is why AWS career path materials treat pipeliner and welder fabricator as distinct roles.
Stainless steel classes
Stainless does not behave like carbon steel. It is sensitive to heat input, it only resists corrosion if the weld is clean and free of heat tint, and the chromium in it makes the fume a genuine health concern on the bench. The core skills are purging the backside with argon so the root does not oxidize, controlling interpass temperature, keeping heat low enough to limit distortion, and reading heat tint, which runs straw to blue to grey as the surface oxidizes. Expect 6G pipe in stainless work, the classic pipe test position. Stainless code work runs under AWS D1.6, one of more than 350 AWS welding standards alongside D1.1 for structural steel, D1.2 for aluminum and D15.1 for railroad welding.
Pipeline welding and downhill technique
Pipeline training centers on API Standard 1104, the qualification standard for welding of pipelines and related facilities, which OSHA’s construction standard for welded transmission pipeline incorporates by reference. The discipline is 6G pipe, a controlled root pass, and a clear distinction between uphill and downhill work. Uphill means the weld progresses against gravity, so you need more heat, more passes and slower travel. Downhill means gravity helps, passes come faster, and the root can be laid with less manipulation. Downhill demands different technique and consumables, because too much heat at the root burns through. That is why Mainliners lists downhill welding as its own training area. The AWS Certified Welder program tests welders on procedures used in the structural steel, petroleum pipeline, sheet metal and chemical refinery industries, so pipeline technique is the skill set employers are buying.
Quick Note: A quick reference on the four processes you will meet in any combo program. Codes are what employers will ask you to be qualified against.
| Process | Typical applications | What makes it hard | Code you will meet |
|---|---|---|---|
| Stick (SMAW) | Pipeline, structural erection, repair, shipbuilding | Slag, arc length, electrode angle, vertical and overhead work | AWS D1.1, API 1104, ASME Section IX |
| TIG (GTAW) | Stainless, aluminum, thin-wall tube, aerospace, food and pharma | Heat control, filler placement, tungsten handling, purge management | AWS D1.6, D1.2, D9.1 |
| MIG (GMAW) | Structural fabrication, production shops, sheet metal | Wire feed, voltage, gas flow and gun angle must agree | AWS D1.1, D1.2, D1.3 |
| Flux core (FCAW) | Heavy structural fillets, outdoor and shipyard work | Wide hot beads, slag removal, wire handling | AWS D1.1, D1.3 |
Confirm the details before you sign up
Curriculum, length, schedule and price are set by the school, and none are published on Mainliners’ public profiles. Treat any course name as a promise of coverage, not a syllabus. Before you pay anyone, ask three questions: how many hours a week are actual hands-on booth time versus classroom; what document do you walk out with, a certificate of completion or a performance qualification; and are testing and certification fees bundled into tuition or billed later on top. Get the answers in writing, then compare them against other trade programs: a trade welding course breakdown for a different process shows the same variables you should expect to ask about.
What a Combo Pipe Welding Program Actually Teaches You Day to Day
Ask a graduate what the first three months felt like and you get something you can use. Here is the arc of a combo pipe program, from safety orientation to reading your own work.
Safety Orientation and Machine Setup
Before an arc strikes, you learn the shop’s rules and check your gear: helmet lens shade, gauntlet gloves, leather sleeves or jacket, safety boots, respirator. Then you learn the machine, because a welder who cannot troubleshoot their own gun waits on the instructor.
Setup work includes wire feed settings and their relation to amperage, shielding gas flow (typically 20 to 30 CFM for MIG on mild steel, lower for TIG), electrode angle, and ground clamp placement close to the work so the arc stops wandering. Shielding gas and cylinder supply is part of that conversation, because inconsistent gas flow causes porosity that beginners blame on their technique. Consumables next: E7018 for structural and pipe work, E6013 for sheet and general work, ER70S-6 wire for MIG, ER308L rods for stainless TIG. Bookmark the all-position rod guide and choosing alloy steel electrodes when a job mixes carbon and chrome-bearing material.
Joint Prep, Fit-Up and Tacks
Most failed welds fail before the arc: you bevel the edge, grind out mill scale, clean the metal and control root gap with a spacer. A gap too wide burns through; too narrow and you get lack of fusion.
Fit-up and tacking follow. Tacks get welded, then ground out and blended clean. Leaving them in leaves slag pockets and weak spots in the final joint.
Root, Hot, Filler and Cap
Then you run the passes. The root pass joins the two edges. The hot pass cleans up the root and fills the gap to the next layer. Filler passes add material, and the cap pass is the finished surface you will be judged on. You also learn stringer versus weave beads: a stringer is one straight pass, a weave moves the torch side to side to fill a wider gap faster but with more heat and more undercut and slag risk.
Uphill versus downhill travel is where beginners get their first real lesson in heat control. Uphill is slower and needs a steady hand to avoid cold lap. Downhill is faster because gravity moves the puddle, but it needs different technique and often different consumables.
Positions 1G Through 6G
Position work is the graded part.
| Position | Orientation | What it trains |
|---|---|---|
| 1G | Pipe, flat | Bead control, travel speed |
| 2G | Pipe, horizontal | Torch angle against gravity |
| 3G | Pipe, vertical | Hardest uphill position |
| 4G | Pipe, overhead | Awkward posture, metal overhead |
| 5G | Pipe, horizontal, no rotation | Control without repositioning |
| 6G | Pipe at a 45° incline | All positions in one test |
6G is the pipeline standard because a 45-degree joint forces a stable root in a position mixing flat, horizontal, vertical and overhead work. You also learn roll and position changes, moving around a spool without losing heat, and the awkwardness of a real joint versus a flat coupon.
Beyond the Coupon
Good programs also cover hot tapping and repair welding, because pipe failures get fixed in the field, not replaced. Blueprint and isometric reading teaches you to find a weld symbol, follow the joint prep callout, and know what a pipe spool should look like at the fit-up bay. This is where TIG technique and procedure control start to matter, since clean stainless work lives or dies on heat discipline.
Reading Your Own Weld
You learn to read a bead critically. Undercut is a groove along the toe of the weld where the arc ate into the base metal. Porosity is gas bubbles trapped in the bead. Slag inclusion is flux or oxide rolled into the weld. Overlap is where a weld edge sits on unwelded metal, and excessive reinforcement means too much filler piled on. An instructor who can point at a defect and explain its cause teaches what a textbook cannot.
How Performance-Based Qualification Actually Works
Most students misunderstand this part. According to AWS, the Certified Welder program is strictly performance-based, with no prerequisite courses or certifications required before you test. You test at an AWS Accredited Test Facility, where an AWS Certified Welding Inspector inspects your sound weld. AWS requires testing in accordance with the QC47 Specification, and the facility evaluates whether the Welding Procedure Specification was followed, including fit-up, assembly and positioning. Test welds run under AWS Standard Welding Procedures, industry-recognized specifications, or company-provided non-code procedures, and AWS lets you retest at any time with no stated limit on attempts. For pipeline work, qualification testing traces back to OSHA: 29 CFR 1910.252 ties qualification testing to documented procedures, and transmission pipeline construction must conform to API Std 1104.
Note: Attendance gets you a document. A qualification proves you can produce a weld that passed inspection, on a stated process, in a stated position, under a stated code. Employers hiring for pipeline or pressure work care about that one every time.
Small Habits That Pay Off
Bring your own gloves if allowed, and wear them broken in. Log every amperage, voltage, wire feed setting and stick-out you use, plus what you welded that day and what went wrong. In six months you will not remember your settings, and that log becomes your private textbook.
Finally, know the ceiling. School teaches fundamentals, technique and safety. Production speed, field fit-up, metallurgy and the judgement to call the engineer come on the job. The program gets you to the starting line. The rest is hours.
Cost, Schedules, and the Questions to Ask Before You Pay Anyone
Nobody can tell you what Mainliners Welding Academy charges, because the school publishes no tuition, schedule or payment terms on its public profiles. The Mainliners Welding Academy LinkedIn page and the @mainlinersweldingacademy Instagram account show beads, students at booths and a Texas High School Welding Symposium event, but no price list, syllabus length or refund policy. That is normal for a small trade school, so cost is answered with questions, not a number.
Print this list, bring it to the school and ask for written answers.
The 12 questions to ask any welding academy
- What is total tuition, and what does it include? Ask about wire, gas, stick rods, tungsten, helmets, gloves, sleeves, boots, respirators and any consumable allowance. “Materials included” can mean one box of rods.
- Are book, lab, testing and certification fees separate? They add up faster than tuition.
- Is the AWS Certified Welder or code test included, or billed later? Ask who schedules it, whether it runs in-house or at an AWS Accredited Test Facility, and when the invoice arrives. The credential also needs an annual WeldCert Pro subscription to stay active, so budget for it.
- What is the class size and instructor-to-student ratio? One instructor with eight students is a different product from one with three.
- How many hours per week, and how many total program hours? The number that matters most, and the one most likely to be vague on a brochure.
- When do classes start, and how often do cohorts begin? Monthly, seasonal and “when enough students sign up” intakes all happen.
- Is the shop open for extra practice hours? Free booth time is worth real money.
- What are the payment plan, financing options and refund policy? Get it in writing before you pay. No written policy is a red flag.
- Is there placement help, and are wage or placement claims published? If they post “graduates average $X” or “94 percent placement,” ask for the source and the denominator.
- Is the document I receive a certificate of completion or a qualification? Explained next.
- Does the school hold the accreditation my funding source requires? With student aid, GI Bill or a state grant, this decides whether you get paid or go broke.
- What do current students and recent graduates say? Talk to two students and one working graduate. Ask what the first job paid and how long it took to land.
Short Note: The cheapest school is not the one with the lowest tuition. It is the one with the lowest cost per hour of hands-on booth time, because lecture hours and shop hours are not interchangeable. Divide tuition by scheduled shop hours: $4,000 over 200 shop hours is $20 an hour with an arc, while $2,500 over 60 shop hours is nearly $42. Add consumables, testing fees and travel time before you compare.
Certificate or qualification: know which one you are buying
A certificate of completion proves you attended and paid attention; its value depends on whether a hiring manager recognizes it, and many will not. A qualification test is different: you deposit a weld, a Certified Welding Inspector examines it against a code, and the result follows you as a portable credential. The AWS Certified Welder program is performance based, with no prerequisite coursework. Ask if the test fee is included and who pays for a retry.
Funding routes worth researching
Three paths can cut the cost materially.
Federal student aid. Title IV aid only works if the school participates in the Federal Student Aid program. Ask the financial aid office, then confirm it in the Federal Student Aid database. A school that is not a participating institution cannot offer a Title IV loan or Pell Grant.
Workforce Solutions career training. Texas and local Workforce Solutions offices fund short-term training for people changing careers or entering demand occupations, and welding is a standard target occupation. Eligibility depends on your situation, and the funding office, not the school, is who to ask.
GI Bill benefits. Mainliners appears in veteran training directories, but a listing is not approval. Whether a school can receive VA benefits depends on the facility holding specific VA approval status, which you check on the VA’s own school search before enrolling. Approval also decides which programs and benefit levels apply, so verify the program, not just the school.
On scholarships, the AWS Foundation reports that 25 percent of scholarships awarded go to female welding students, with $2.7 million supporting more than 1,600 students annually. Those are the foundation’s own figures, so check the current cycle. The same source lists technical school certificates as a 6-18 month pathway, a faster, lower-cost alternative to a four-year degree for many students. See the welding workforce data site for how the field is tracking.
The honest downside
Trade schools are not cheap, and pretending otherwise sells people the wrong program. The value lives in hands-on hours, instructor attention and the fabricators and pipeline contractors who hire from that shop. A cheap school with little booth time and a certificate nobody recognizes is a false economy: you pay twice, in tuition and in unemployment.
Judge on hours, ratio, consumables included, testing arranged in-house and the document you walk out with. For PPE and consumables for those hours, our aluminium welding course guide covers shop readiness.
Certificate vs Certification: Which Credential Actually Moves Your Paycheck
Two students can sit through the exact same number of hours in the exact same classroom and walk out with completely different leverage when they apply for work. The difference is not talent, and it is not the school’s reputation. It is what is printed on the document in their folder. Here is the honest breakdown of the four credential types you will run into, and which ones actually carry weight in a hiring room.
1. Certificate of Completion: Proof You Showed Up
A certificate of completion from a trade school means exactly one thing: you attended and you finished the course. That is not worthless. Many employers love it because it shows you can commit to a schedule, follow instruction and be on a job site on time. But its value is entirely a function of whether a specific employer recognises it. Some small shops care. Some pipeline contractors do not care at all, because their customer demands a code qualification and nothing else will do.
Ask any school selling you a certificate: “Who has hired our graduates, and will they confirm the certificate met their requirement?” If the answer is vague, treat the document as a participation award.
2. Performance Qualification: A Weld You Actually Made
This is the credential that travels. The AWS Certified Welder program is strictly performance-based, with no prerequisite courses. You deposit a weld, it gets inspected, and you pass or you do not. The test is run to the QC47 Specification at an AWS Accredited Test Facility, under AWS Standard Welding Procedures, industry-recognized specifications, or company-provided non-code procedures.
What separates this from a certificate is that it is tied to a live welding process, not to a classroom. To keep it, you maintain the credential through an annual WeldCert Pro subscription, which verifies that the welding process was actually used, and continuity of qualification must be submitted before expiration. AWS hosts that credential in an online portal where welders and employers view and maintain qualifications. An employer can check it in minutes.
3. Code-Specific Qualifications: What Your Industry Actually Requires
Codes are the rules for a particular kind of work, and each one has its own qualification test:
- AWS D1.1 for structural steel
- AWS D1.6 for stainless steel
- AWS D1.2 for aluminum (a specialty worth its own aluminum welding course guide)
- AWS D15.1 for railroad and transit welding
- API 1104 for pipeline welding
- ASME BPVC Section IX for pressure piping and boilers
Pipeline credentials are the clearest example of why qualifications are driven by code and employer rather than issued by a government agency. OSHA’s construction standard, 29 CFR 1910.252(d)(1)(v), requires that welded transmission pipeline construction follow API Std 1104. The federal rule points at the industry code, and the industry code points at the test. Nobody hands you a pipeline ticket; you earn it on a test coupon, and an employer or contractor sponsors you through it.
4. Inspection and Supervisory Credentials: The Higher Ceiling
The AWS Certified Welding Inspector (CWI) and Senior CWI (SCWI) move you off the booth and into the office, the QC department or the foreman’s chair. Applicants must pass a vision test and combine qualifying education with documented work experience. The AWS CWI eligibility table is where trade school pays off: trade or vocational courses count as up to one year of education substitution, but they require a minimum of four years of welding-based work experience, while a high school diploma alone requires a minimum of five years of welding-based work experience. So a trade school genuinely shortens the path to an inspection credential. Endorsements add further market value, including the API 1104 (Pipeline) endorsement, the ASME BPVC Section IX endorsement, Structural Steel (D1.1), Magnetic Particle Testing and Penetrant Testing.
Quick Note: Career goal, credential that carries weight, and who pays:
| Career goal | Credential that matters | Who usually pays |
|---|---|---|
| Plant, pipefitting, general fab shop | AWS Certified Welder (QC47) plus employer qualification | Student pays the test fee up front; employer often reimburses after hire |
| Pipeline construction | API 1104 qualification | Contractor sponsors the test |
| Structural steel erection | AWS D1.1 | Employer, often through union training |
| Stainless, food, pharma, shipyard | AWS D1.6 | Employer |
| Inspection and supervision | AWS CWI or SCWI | Employer pays or reimburses |
| Landing a first job quickly | Certificate of completion | You pay, always |
Two mistakes trip up almost every beginner. The first is buying a course marketed as “certification” that is really a certificate of attendance with a fancy name on the wall. The second is assuming a school certificate automatically satisfies an employer’s qualification requirement. It usually does not, and the gap shows up at the hiring desk. Before you pay anyone, ask one question in writing: exactly what document do I receive, which code does it qualify me for, and who has accepted it? If the school cannot answer all three, you are buying attendance, not a credential.
For schools that publish their programs and standards openly, like Mainliners Welding Academy, the next step is confirming the completion document and the test arrangement directly, because schools that train combo pipe and pipeline welders normally sit close to the API 1104 world whether or not they advertise it.
How to Vet a Welding Academy, Including Mainliners
Every welding school looks good on a Saturday tour. The booths are full, the instructor is friendly, and somebody hands you a shiny certificate sample. Good and bad schools separate only when you ask sharp questions and look at boring details. This checklist works for Mainliners Welding Academy and for every other school on your list.
The Ten-Question Vetting Checklist
- Visit the shop unannounced if you can. Count students at booths with an arc lit versus watching video in class. A 30 percent booth-to-classroom ratio means you are buying theory, not a trade.
- Ask for the welder-to-instructor ratio. One instructor supervising eight students on hot metal cannot watch every arc. Ask about the practical portion, not class time.
- Talk to two current students and one recent graduate. What did their first job pay, and how long did it take to land? If the school will not arrange it, that refusal has already answered you.
- Ask what percentage of program hours are hands-on. Get a number; “most of it” is not a number. Ask how many hours are at a booth versus in a lecture, and how many of those are on pipe.
- Ask exactly what document you receive and who would recognise it. Completion certificate or qualification test result? Have them name three employers or testing bodies that recognise it. If they cannot, be suspicious.
- Ask where the qualification test happens and who pays. AWS requires the welder performance qualification test to be performed at an Accredited Test Facility, and the ATF submits the certification application to AWS. If a school promises an AWS Certified Welder credential without mentioning an ATF, walk away. Check test sites in AWS’s online directory of Accredited Testing Facilities and its school locator.
- Ask about safety systems. Fume extraction, hexavalent chromium controls, fire watch, respirators. OSHA’s welding topic page lists the core hazards: metal fume exposure, ultraviolet radiation, burns, eye damage, electrical shock, and cuts and crushed toes and fingers. For stainless and chrome-bearing steels, OSHA’s small-entity compliance guide for the hexavalent chromium standards (Publication 3320) is the reference.
- Ask for the refund and withdrawal policy in writing before you pay. Policies hiding behind “ask in the office” will not help you later.
- Check whether any wage or placement claims are published. If a school says “our graduates earn $X,” ask for the source, date, and sample size. Unverifiable numbers are marketing, not data.
- Verify the school exists as advertised. For Mainliners this step is not optional: public listings point to two domains, mainlinersweldingacademy.com on LinkedIn and mainlinersweldingacademy.net on Instagram, and the school has rebranded from “Mainliners Welding School” to “Mainliners Welding Academy” with a “new shop in Hitchcock” in its Instagram bio. Confirm address, website, phone, and socials before you travel.
Note: “What code does this qualify me for?” is the most revealing question you can ask a welding school. If the instructor hesitates, names a brand, or says “whatever your employer needs,” you have learned that school’s depth. A serious school answers with a standard: AWS D1.1 for structural, D1.6 for stainless, API 1104 for pipeline, ASME Section IX for pressure work. Employers buy qualifications, not course hours.
Red Flags That Should End the Conversation
- “Guaranteed pass.” Nobody can guarantee a welding test. If the marketing says it, the school is selling a certificate, not teaching welding.
- “Certification” programmes that award a certificate of attendance. A completion certificate and an AWS qualification are not interchangeable, and plenty of schools blur them deliberately.
- No published refund policy. Legitimate schools publish one, even if it is buried.
- A shop that looks like a sales desk. More brochures than booths at the front means a sales operation with welding machines as props.
- Instructors who cannot name the code. No answer, no enrol.
- Consumables not included. Students arriving without gloves, wire, or a respirator means the school is padding numbers, and you will pay later anyway. Budget for the gear regardless; a good welding equipment and supply guide helps you know what you need before day one. (Some links on this site are affiliate links, and we may earn a commission if you buy through them.)
- Job numbers nobody can verify. Ask for graduate names and the employers who hired them. If the names do not come, the numbers are not real either.
How This Applies to Mainliners Specifically
Scoring Mainliners against this checklist is instructive: it is a small school, so some checks are unusually easy and others unusually hard.
In its favour, the school’s public activity, including hosting the Mainliners Puddle Pimpin’ Challenge welding certification event for high school students through the Texas High School Welding Symposium program, shows an instructor evaluating welds in front of students. That is verifiable credibility, not a brochure claim.
Where it gets harder: the school is small, with a LinkedIn listing of 2 to 10 employees and roughly 91 followers, and an Instagram account near 85 followers. Small is not bad; for combo pipe training, a low student-to-instructor ratio could be an advantage. But it also means fewer graduates to talk to, thinner publishing on costs and schedules, and a narrower shop. Ask how many cohorts have run and whether the instructor handles everything alone.
Two more checks for Mainliners. Confirm whether the “new shop in Hitchcock” is the operating campus or a separate facility, since travel time and shop access affect your extra practice hours. And ask which Accredited Test Facility will run your qualification test, then confirm it appears in the AWS directory.
The honest summary: a small, working trade school with visible community involvement and a real specialty focus on combo pipe, stainless and pipeline work, but it publishes almost nothing about tuition, schedules, completion documents, or outcomes. The checklist is the only way to get what the website does not give. For a broader read on regional welding labor demand and career paths, see the AWS welding workforce data site while you compare schools in the Gulf Coast area.
Short Note: Bring this checklist printed. If a school cannot answer eight of these ten questions without pausing, you have your answer without ever asking question nine.
Safety Comes First: The OSHA Rules Every Welding Student Should Know
Welding is among the most dangerous jobs a person can walk into, and the hazards are not mysterious. They are written down, federally, in 29 CFR 1910 Subpart Q, “Welding, Cutting and Brazing.” Safety is not a nice-to-have line item when you compare welding academies. It is the first thing you should be able to observe on day one at any mainliners welding academy, and it is a fair question to ask on a shop visit: where is the fume extraction, and who runs the fire watch?
Fire Prevention and the Fire Watch
OSHA 1910.252 requires that nearby combustibles be moved at least 35 feet from the welding operation, or protected from fire, wherever that is practicable. When appreciable combustible material sits inside that 35-foot radius, or where wall and floor openings expose combustibles in an adjacent area, a fire watch becomes mandatory.
The detail students routinely forget is the tail end: the fire watch must be maintained for at least half an hour after the welding is finished. Hot work keeps spitting heat and sparks long after the arc goes cold. Hot work permits work the same way. An authorized person issues the permit, and nobody lights an arc until the fire precautions are confirmed in place.
Two prohibitions sit right alongside this. You do not weld in an explosive atmosphere, and you do not weld in a sprinklered building while the sprinkler protection is impaired or out of service without additional precautions. In a shop, that usually means knowing which isolation valve cuts the system and asking the facility contact before you start.
Ventilation: The Numbers That Matter
Mechanical ventilation is required when the welding space holds less than 10,000 cubic feet per welder, when ceilings are under 16 feet, or when partitions block cross-ventilation. The minimum rate is 2,000 cubic feet per minute per welder. In practice, local exhaust hoods do the heavy lifting, and OSHA publishes the minimum airflow needed at each hood position.
| Hood distance from arc | Minimum airflow |
|---|---|
| 4 to 6 inches | 150 cfm |
| 6 to 8 inches | 275 cfm |
| 8 to 10 inches | 425 cfm |
| 10 to 12 inches | 600 cfm |
| 12 to 14 inches | 850 cfm |
| 14 to 16 inches | 1,100 cfm |
That table is worth memorizing. A hood parked at arm’s length from the arc is badly undersized, and a student welding in a corner booth with the door closed is the classic image of an untrained shop.
Eye Protection and Shade Numbers
OSHA’s filter shade guide for arc welding is short and specific. A shade that is too light leaves you squinting through the arc, and a shade that is too dark means you cannot see your puddle and your work.
- Shade 10 for SMAW with 1/16- to 5/32-inch electrodes
- Shade 12 for SMAW with 3/16- to 1/4-inch electrodes
- Shade 14 for SMAW with 5/16- to 3/8-inch electrodes
Electrode diameter drives the shade, so if you are moving from a thin stringer bead to a heavy joint prep, expect to swap lenses. A reference like this all-position welding rod guide helps you match the electrode to the job before you pick up the helmet.
Confined Space Welding
Confined space work has its own rules under Subpart Q, and they are strict. Gas cylinders and welding machines are left outside the space, with the leads and hoses run in. An attendant is stationed outside with a preplanned rescue, and all spaces get ventilated. The rule students should be able to recite from memory: oxygen is never used for ventilation. Oxygen-enriched atmospheres are how confined space welders get killed, and no shop with a competent instructor will let you forget it. Cylinder handling and storage outside the space is covered in more detail in this gases and cylinders safety guide.
The Health Hazards Nobody Mentions
Then there are the exposures that do not announce themselves. Hexavalent chromium is produced when welding stainless steel or chrome-bearing alloys, and it is a confirmed carcinogen. Stainless work is exactly what many students come to learn, so the controls are not optional: fume extraction, cleanup of settled residue, and a respirator program where exposure warrants it.
Manganese is the other big one. NIOSH sets a recommended exposure limit of 1 mg/m³ as an 8-hour time-weighted average with a 3 mg/m³ short-term limit. OSHA’s permissible limit is a 5 mg/m³ ceiling, while ACGIH’s more protective threshold is 0.02 mg/m³ for respirable manganese and 0.1 mg/m³ inhalable. NIOSH also notes that welding in confined spaces significantly increases exposure, because the fume has nowhere to go, and it identifies welder’s anthrax, a rare but serious occupational lung disease documented among metalworkers. Full exposure scenarios are covered in OSHA’s welding hazards and solutions overview.
Short Note: Student Gear Checklist
- Auto-darkening helmet with a shade range that covers your electrode sizes
- Correct shade lens for the process and electrode diameter
- Gauntlet leather gloves
- Leather jacket or sleeves
- Flame-resistant clothing and trousers
- Safety boots with steel toes
- Respirator for stainless and hex chrome work
- A fume-extraction plan you understand before your first arc
Buy your own gloves if your instructor allows it. A worn-out glove set is the fastest way to burn a first-week student.
What You Can Do After Training: Career Paths and What They Pay
After putting in the booth hours at a school like Mainliners Welding Academy, the question quickly becomes: where can your skills actually take you? The demand is there to research, but not guaranteed. According to AWS workforce data, there are roughly 320,500 projected openings by 2029, or about 80,000 per year. Nationally, the median wage sits at $55,600 with average hourly earnings of $26.76. For those looking at the Gulf Coast, AWS Foundation data places about 140,000 welders in the South Central region covering Arkansas, Louisiana, New Mexico, Oklahoma and Texas. With Houston’s petrochemical, shipyard and fabrication footprint, that local density is certainly a factor, but wages still vary by region, experience, certifications and specific occupation.
Available Career Paths
A combo pipe graduate has a wider range of doors than a single process welder. Under the AWS career path structure, some of the roles to be aware of include: pipeliner, welder fabricator, boilermaker, ironworker, shipfitter, welding technician, welding inspector, welding supervisor, welding engineer, welding educator, robotic welding technician, underwater welder and technical welding sales. Not every one of these will be entry level, but it’s helpful to know what’s above and adjacent to your starting point.
Four Common Tracks With Honest Tradeoffs
1) Pipeline
This is the track most tied to combo pipe training. Work is often based around API 1104 qualifications, with the highest travel, rotation culture, and often the biggest per diem. The tradeoff is physical demand and time away from home. For those willing to travel, this is where pipe positions like 6G can be put to use the fastest.
2) Structural and Fabrication
If you’d prefer to stay local, structural and fabrication shops are plentiful across Texas. Most of this work is driven by AWS D1.1 for structural steel, with AWS D1.2 for aluminum and D1.5/D1.15 adjacent work like railroad also opening doors. Production speed matters here more than constant travel, and layout, fit up and rigging can be just as important as your root pass.
3) Stainless and Specialty
From food and pharma, to chemical processing and shipyard work, clean welds are prized. This track heavily favors TIG competency, purge control, and heat tint awareness. For students looking to branch into more precise work, skills used in areas such as aerospace welding can be a helpful reference point for discipline, however, most entry roles will be more grounded in sanitary or industrial stainless than flight hardware.
4) Inspection and Supervision
For those looking for longevity, the AWS CWI and SCWI route is the most well known. AWS’ education and work experience table shows that trade or vocational courses can count for up to one year of education substitution, versus a high school diploma requiring a minimum of five years of welding based work experience. Endorsements, such as the API 1104 Pipeline endorsement, can also add value. To reach this, expect time in the field. A trade school can help shorten the path, but it will not replace hands on welding experience.
Quick Note: Averages hide regional spread, union versus non-union pay differences, and the fact that certification opens the door, while production speed, layout, rigging and communication keep you employed.
Keeping Your Credential Alive
Earning a qualification is only half of it. The AWS Certified Welder program requires continuity. Credential holders must submit maintenance before expiration, verified through WeldCert Pro, with re-qualification rules that employers will follow. The key is simple: continuous use of the process you are qualified for. Letting a process go unused for extended periods is one of the most common ways to lose the validity of a qualification when a hiring manager requests proof of it.
Plan Your Next Step
As you weigh your options, remember the pathway comparison: a 3-4 year apprenticeship with a journeyman card, versus a 6-18 month technical school certificate. Both are valid, but they build experience at different speeds. For anyone researching career resources or up to date workforce figures, utilize AWS career resources and the workforce data site. With realistic expectations, a combo pipe skillset can be a solid launching point, but only if paired with the credential, consistency, and adaptability that the job actually demands.
Your First 90 Days: How to Get the Most Out of Any Welding Academy
Most people lose welding training in the first month, and it is almost never because they lacked talent. It is because nobody told them what the first three months are supposed to feel like, so every sore shoulder and every ugly bead felt like evidence they were no good at this.
Here is the arc most trade school programs follow, including combo pipe training, and what you should be doing at each stage. Treat it as a plan rather than a prediction. Programs shuffle the order, but the progression is remarkably consistent.
Before Day One: Gear, Details and the Paperwork Nobody Mentions
Buy or borrow your own personal protective equipment before your start date. Waiting for the school to supply it means your first week is spent standing around.
- Auto-darkening helmet with a shade range that covers your processes. Shade 10 for 1/16- to 5/32-inch stick electrodes, 12 for 3/16- to 1/4-inch, 14 for 5/16- to 3/8-inch per the OSHA 1910.252 standard. Note that 29 CFR 1910.133 requires helmets or hand shields for all arc welding operations and proper eye protection for helpers and attendants, with filter lenses meeting the transmission-of-radiant-energy test.
- Gauntlet gloves sized for your hands, leather jacket or sleeves, FR trousers, steel-toe safety boots.
- Respirator for stainless work, where hexavalent chromium is the concern. If your school does not cover this, buy your own.
Then confirm the practical details: start date and time, required materials list, parking, whether steel and consumables are provided, dress code, and what a typical day looks like. Ask to see the safety rules and emergency procedures before you sign anything. OSHA 1910.252 requires first-aid equipment to be available at all times during welding, cutting and brazing operations, and requires a fire watch trained in the use of fire extinguishing equipment and familiar with alarm procedures, with hot metal marked or otherwise warned after welding is complete. Knowing that before day one tells you whether the shop runs to a real standard.
Week One: Machines, Mild Steel and the Log Book
Expect machine setup and maintenance fundamentals before you make anything that matters. Learn the wire feed, gas flow, electrode angle and ground clamp placement on the machines you will actually use. Ground clamp placement is where beginners quietly sabotage themselves, because a clamp on the wrong side of the joint changes the current path and the heat you get.
Then practice flat on mild steel. Stringer beads with consistent travel speed, nothing fancy. Your real homework is the log book. Record amperage, voltage, wire feed speed, stick-out, travel angle and what the bead actually looked like. Six weeks later, that log is the only honest evidence that you improved, and it is the single habit that separates welders who keep getting better from welders who keep guessing.
Weeks Two to Four: Prep, Fit-Up and Your First Root Passes
Joint preparation comes next: beveling, grinding, cleaning and root gap control. Then fit-up and tacking. Tacking is where good welders are made, because a bad tack ruins everything downstream. Clean the tack before you weld over it.
You will move into 2G and 5G pipe positions and start laying root passes. At this point, learn to read your own weld. A mirror and a chipping hammer tell you more about your work than any instructor’s praise will. Chip out the slag, hold the mirror up, look at your reinforcement, your toes and your undercut. Do this while the bead is still warm and you will find problems you would never notice in a finished weld.
Month Two: 6G, Uphill vs Downhill and Reading Your Own Coupons
5G and 6G are where pipe welders get uncomfortable, and 6G is the pipeline standard position. Slow down. Learn the difference between uphill and downhill travel, and understand why downhill is faster but demands different technique and consumables. You will also feel the difference between a stringer and a weave, and learn why excessive weaving buries defects and distorts the bead.
Then do defect recognition on your own coupons. Undercut, porosity, slag inclusion, overlap, excessive reinforcement. When you can name a defect in your own work, you can fix it, and that is worth more at a job interview than any certificate.
Month Three: Qualification Prep and Job Applications
The last month is usually about the qualification test. Find out whether it is administered in-house or at an AWS Accredited Test Facility, who schedules it, and who pays. If it is an ATF, you book an appointment, and the ATF forwards your application, qualification test record and payment to AWS, with digital credentials typically arriving two to three weeks after AWS receives the application. AWS describes the Certified Welder credential as transferable and designed to reflect industry need, and notes that every additional certification expands the range of jobs a welder can perform. Schedule your test early, because test slots fill.
Start job applications in week nine of month three, not week twelve. If you are wondering where the work actually is, the AWS welding workforce data site breaks down openings and pay by region and role.
Short Note: The eight beginner mistakes that show up in every first month.
- Wrong travel angle, dragging the puddle instead of pushing it.
- Travelling too fast on uphill passes, which cuts your bead short of fusion.
- Excessive weaving, which buries slag and distorts the profile.
- Poor root gap control, the single biggest cause of rework later.
- Tacking without cleaning the tack first.
- Hot work with no fire watch and no warning mark on the hot metal.
- Welding with no fume extraction, especially on stainless.
- Mistaking a certificate of completion for a qualification test result.
Conclusion: A Simple Framework for Choosing Well
If you remember four rules, make these the ones.
- Fit over cost. The cheapest program is not the cheapest if it teaches processes you will never weld. Combo pipe training suits pipe and structural work in the Gulf Coast market; a stainless-heavy program suits food, pharma and chemical work. Pick the one that matches where you want to work.
- Hands-on hours over amenities. Ask for the hours at the booth, not the tour of the facility.
- Credential over certificate. A witnessed, inspected test weld travels with you. A certificate proves you attended.
- Safety culture over everything. Fire watch, fume extraction, respiratory protection and first-aid equipment available tells you more about how that shop will treat you on a job site than any brochure.
Your next step list is short. Visit the shop. Ask the ten questions from earlier in this guide. Verify the current address and phone number directly, because Mainliners Welding Academy’s LinkedIn and Instagram point to different domains and the school has rebranded, so old listings can be wrong. Confirm exactly what completion document you receive and who would recognize it. Then talk to two current students and one recent graduate, and ask what their first job paid and how long it took to land.
One more thing worth doing while you research: browse our guides to why stick welding still wins and how to pick an all-position rod, so you arrive knowing what you are looking at in the booth.
Ninety days from now, you will either hold a qualification you can show a hiring manager, or you will have a certificate and a lot of practice. Both are fine, but only one of them gets you on a crew. Start the log book on day one and the rest follows.
Frequently Asked Questions
What is Mainliners Welding Academy?
Mainliners Welding Academy is a small trade school in the Texas City, Texas area that teaches adult learners how to weld, with a stated focus on combo pipe welding plus stainless steel and pipeline welding classes. Its LinkedIn company page lists it as founded in 2015 and specialised in stainless steel and pipeline welding, and its public announcements also list stick, TIG, structural and downhill welding.
Where is Mainliners Welding Academy located and how do I contact it?
The LinkedIn company page lists the primary location as 952 N Pine Rd, Texas City, Texas 77591, while the school’s Instagram bio refers to a newer shop in Hitchcock, Texas, so confirm the current shop before you visit. Public listings point to both mainlinersweldingacademy.com and mainlinersweldingacademy.net, so call or message before making the trip and ask for current start dates and tuition.
What welding processes does Mainliners Welding Academy teach?
Publicly advertised training areas include stick (SMAW), TIG (GTAW), structural welding, pipeline welding and downhill welding, with combo pipe welding as the school’s core specialty. Because a combo pipe welder can move between processes on the same spool, that is the credential most valued by pipe shops, but ask the school exactly which processes and positions each course covers.
How long does a combo pipe welding course take, and how much does it cost?
Neither the course length nor tuition is published on the school’s public profiles, so get both in writing before enrolling. Ask for total program hours, hours per week, scheduled start dates, and a full price breakdown including consumables, testing fees and certification fees, then compare schools on cost per hour of hands-on booth time.
Will I get a certification or just a certificate?
It depends on what the school arranges, so ask directly: ‘What document do I leave with, and who recognises it?’ A certificate of completion proves attendance, whereas an AWS Certified Welder credential is a performance-based qualification tested at an AWS Accredited Test Facility under the QC47 Specification and inspected by a Certified Welding Inspector.
Is welding school worth the cost compared with learning on the job?
Shop training is the fastest route to a qualification because it concentrates hands-on hours and exposes you to fit-up, positions and defects under supervision, which on-the-job learning does not guarantee. The trade-off is money and time away from earnings, so the value depends almost entirely on booth hours, instructor quality and whether the credential is one employers require.
Do I need a welding license to work in Texas?
Texas does not issue a general state welder’s licence, so what matters is the credential your employer or the governing code requires: AWS D1.1 for structural steel, API 1104 for pipeline and ASME BPVC Section IX for pressure piping. Many Texas construction jobs also require an OSHA 10-hour safety card, so confirm current requirements with your employer or the Texas Workforce Commission before you start.
How do I know a welding school is legitimate before I pay a deposit?
Tour the shop and count welders at booths versus students in a classroom, talk to two current students and one recent graduate, and confirm who recognises the credential you will receive. Red flags include guaranteed-pass certification marketing, certificate-only courses sold as certifications, no published refund policy, and instructors who cannot name the code the course qualifies you for.
What safety training should a welding school be teaching?
At minimum, training aligned with OSHA’s welding, cutting and brazing standards: fire prevention and hot-work permits with a 35-foot combustible clearance and a fire watch maintained for at least 30 minutes after work, fume extraction sized to the welding zone, correct helmet shade selection, and confined space rules including an outside attendant and no oxygen for ventilation.
What does the welding job market actually look like for new graduates?
AWS Foundation workforce data projects 320,500 new welding professionals needed in the U.S. by 2029, averaging roughly 80,000 openings per year, with more than 157,000 current welders approaching retirement. Average hourly earnings are around $26.76 and the national median is about $55,600, but pay varies sharply by region, union status and specialisation such as pipeline, stainless or underwater work.
Nicholas Harper
Editorial TeamCovering welding processes, equipment selection, and shop-floor practice for WeldZen — with every claim checked against the governing code.
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