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Where 15 ppm purity is necessary,( )to provide warning of the level of discharge is in excess of 15 ppm. Aalarm unit Bmonitoring unit Cheating unit Dcooling unit
When the machinery spaces are in the periodic unmanned condition( ) shall be immediately available and on call to attend the machinery space. Athe chief engineer Bthe designated engineer from shipyard Cthe designated duty officer in charge of the engineering watch Dthe designated surveyor from classification society
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