mirandamcIntosh643 mirandamcIntosh643
  • 23-01-2024
  • Engineering
contestada

During the hoisting of a personnel platform and using a signalman who is located on the ground, who must the signalman keep continuous and positive communication between?
a. Operator and platform occupants
b. lift director and platform occupants
c. operator and rigger
d. rigger and lift director

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