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 materialB.Examining material for sharp edges or protruding points before handlingC.Closing, tagging or securing valves that permit entrance of steam, water, or air into a fitting or other equipmentD.Throwing materials from high places to the deck
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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以下翻译都对： embassy（大使馆）、surfing（冲浪）、rock climbing（攀岩）、aboard （在国外）