Not only for the Vietnamese workers, but for workers of any nationality; education attained at diferent levels determines worker qualification for entry at different work skill. Only a good training program provided by the company coupling with a good benefit package can help new worker to effectively produce in according with the company's work procedures and expectation. This is how American industry succedded and became world leader. QA is also an integral part of the company training program and be monitored throughout all workshifts. Japan's QA schene had propelled Japanese economy to be among world leaders at its post WWII involvement.