July 13, 2004
By: Jody Collier
Pilots refer to flying experience as "seat time." For the 300-plus certified welders in Delta Air Lines' TechOps division, the term has a similar meaning. Certification is just the first step for them. Qualified GTAW welders here log plenty of seat time.Whether they maintain ground support...
Norton NorZon® Plus depressed center wheels now utilize a proprietary blend of patented, newest generation Norton SG ceramic alumina and Norton BlueFire™ zirconia alumina abrasives, combined with a high performance bond system for significantly improved grain micro-fracturing. The upgraded line has also been expanded with Norton NorZon Plus Fast Cut™ Depressed Center Wheels, offering the fastest material removal in the industry.
Colors in welds and what they mean - by Josh Welton
The variety of colors that can occur in welds might surprise you. Sometimes they are desirable and sometimes not. It all depends on the material, the industry, and the application.
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