Assertion: defect's cause | /r/HasProperty | 32 percent operator error
Facets:
Source sentences:
text: According to the American Society of Mechanical Engineers (ASME), causes of welding defects can be broken down as follows: 41 percent poor process conditions, 32 percent operator error, 12 percent wrong technique, 10 percent incorrect consumables, and 5 percent bad weld grooves.