The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
A
hoist the load
B
lower the load
C
lower the boom
D
raise the boom
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Question 1 / 2066636ee728f7522a1c51892d
Question 1 of 2066636ee728f7522a1c51892d
The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.
The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.