单选题 1分

Personnel who are moving or handling material aboard ship should NOT follow which of the listed prac...

Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?
  • A. Signaling that all personnel are clear before lifting or lowering material.
  • B. Examining material for sharp edges or protruding points before handling.
  • C. Closing, tagging, or securing valves that permit entrance of steam, water, or air into a fitting or other equipment.
  • D. Throwing materials from high places to the deck.

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