The signal man assisting the crane operator first taps his elbow with one hand and then proceeds to use regular signals. This is the signal to __________.
A
use the main hoist
B
proceed slowly
C
increase speed
D
use the whip line
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Question 1 / 2066636ee728f7522a1c518936
Question 1 of 2066636ee728f7522a1c518936
The signal man assisting the crane operator first taps his elbow with one hand and then proceeds to use regular signals. This is the signal to __________.
The signal man assisting the crane operator first taps his elbow with one hand and then proceeds to use regular signals. This is the signal to __________.