The common missing items are as following:
1. Lack of Risk assessment
2. Lack of safety distance or protective guard
3. Lack of grounding cable color and grounding mark
4. Insufficient electric protection
5. Without using forward switch for control switching and relevant position to safety
6. Lack of special loop warning mark
7. Insufficient warning marks
8. Incomplete operation manual
9. Incomplete components list and electric components
10. Without consideration of Noise Directive
11. Incomplete storage for Technical Construction File