WHAT IS THE LOGIC BEHIND SIX SIGMA GREEN BELT, BLACK BELT
ECT?WHAT'S THE PURPOSE? AND HOW IS IT APPLIED?WOULD I BENEFIT FROM ITS USE IN THE VESSEL FABRICATION WOURLD?
Try posting your question in the Drafting Standards, GD&T & Tolerance Analysis forum under Engineering Methods.
There is Six Sigma and Design for Six Sigma.
Six Sigma uses stastical methods to solve manufacturing issues. The Design For applies the statistical methods to the design cycle to prevent the issues from getting into the released design.