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Académie
Crane Operation
NCCCO Rigger & Signalperson Certification
Voice, Radio & Communication Protocols
Vérification des connaissances
Voice, Radio & Communication Protocols
Vérification des connaissances
Vérification des connaissances
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Why is a single designated signalperson required rather than allowing multiple workers to give signals?
A
For appearance and professionalism on the job site
B
To avoid conflicting signals that could cause the operator to move the load in an unintended direction
C
Only required on critical lifts over 10 tons
D
To reduce labor costs on the lift crew
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