Examen
Hoisting Hand Signals Latest Update Graded A+
- Grado
- Institución
Hoisting Hand Signals Latest Update Graded A+ Hoist (Crane) with forearm vertical, forefinger pointing up, move hand in small horizontal circle Lower (Crane) With arm extended downward, forefinger pointing down, move hand in small horizontal circle Use Main Hoist (Crane) Tap fist ...
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