智慧职教: Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out?
举一反三
- 智慧职教: Which of the following should not be performed by the holder of a GMDSS GOC certificate?
- 智慧职教: 74.The load test should be carried out on completion.
- Which kind of control takes place before the actual work is carried out? A: feedback B: concurrent C: recurrent D: feedforward
- 智慧职教: Before any loading takes place any signs of the previous cargo should be ___.
- We should ______ before starting lawn and garden work somewhere. A: walk around the area B: remove any objects that could damage equipment C: wear hearing protection D: Both A and B.