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The National Certified Pipe Welding Bureau (NCPWB) has released a new Technical Bulletin that explains what is required to qualify a welding operator and how to properly complete the QW-484 form.
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The National Certified Pipe Welding Bureau (NCPWB) has released a new Technical Bulletin that explains what is required to qualify a welding operator and how to properly complete the QW-484 form.