A、They should wear safety shoes
B、They should wear ear protection
C、They should not wear jewelry
D、All of the above
更多“What safety precautions should be observed by the crew while working around machinery in an engine room?（）”相关的问题
A、information（W）safety B、information（N）safety C、information AND safety D、information OR safety
A、distress, urgent and safety B、safety and routine C、urgent, safety and routine D、distress, urgent, safety and routine
A、Ship security office B、Ship security officer C、Ship security operator D、Ship safety office
A、Vessel's Hoisting Flag B、Very High Safety C、Vessel's Homing Frequency D、Very High Frequency
A、To cut off the power when the davits hit the track safety stops B、To stop the davits from going too fast C、To cut off the power when the davits are about 12 inches or more from the track safety stops D、None of the above
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