Main steam and exhaust pipes for winches and similar gear shall not pass through crew acco

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Main steam and exhaust pipes for winches and similar gear shall not pass through crew accommodation nor, whenever technically possible, through alleyways leading to crew accommodation; where they do pass through such alleyways, they shall be adequately .

A.ventilated and tagged

B.ventilated and cooled down

C.insulated and encased

D.insulated and warmed up

请帮忙给出正确答案和分析,谢谢!

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