Machines | Crane Signals OSHA 30
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From: https://www.youtube.com/watch?v=xyiXez8jkSs Sims Crane Minute - Basic Crane Hand Signals Sims Crane
From: https://www.youtube.com/watch?v=xyiXez8jkSs Sims Crane Minute - Basic Crane Hand Signals Sims Crane