Which one is true as regards to the hard hat according to the passage?（） -题库考试答案搜索网

Which one is true as regards to the hard hat according to the passage?（）

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2022-01-04 20:20

A、It needs not to be regularly replaced
B、It is designed to protect from possible impact
C、It is required to be worn on deck at all times by all ships
D、fibreglass hardhat should not be used on board shi

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标签：船舶电气与船舶安全

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