How should you signal the crane operator to swing?
A
With both arms extended out and palms down, move arms back and forth.
B
With arm extended downwards and forefinger pointing down, move hand in small horizontal circles.
C
Extend arm and point finger in the direction to move the boom.
D
Place both fists in front of the body with the thumbs pointing outward.
E
İlgili Sorular
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