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SI: What provides direct sea water for the fire main? S2: Sea

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SI: May I use the chemical foam extinguisher to deal with chemic

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S l: Have you got enough special tools, Mr. Chief? S2: Yes, you

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S1: what’s the function of sea water? S2: It can be used for s

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S1: What is there in the workshop? S2: there is a tool box an

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S1: Please replace the filter with a larger one. S2: I’ll do

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We want two valves for the fresh water pump.

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The motorman is on duty now. he is taking the oil pressure.

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We have five ports to call on this voyage.

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The fire water system can not build up pressure.

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