The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______.
A.deck
B.head of the boom
C.heel of the boom
D.mast or king post
正确答案是C
The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______.
A.deck
B.head of the boom
C.heel of the boom
D.mast or king post
正确答案是C