17. To safeguard the operator and other personnel working on or near a hoisting operation, which of the following precautions should be observed?

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it

Progress: 24% (23/94)?

Learning progress ?
1 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1/96