The valve on the discharge side of a cargo pump on a tanker will usually be a（）.

The tricing pendants should be released（）.

A.before the gripes are removed
B.before loading the passengers
C.after loading the passengers
D.after the boat is afloat

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The total quantity of oil discharge into the sea（）for existing tankers 1 15000 of the total quantity of the particular cargo or which the residue formed a part（）.

A.does not exceed
B.should exceed
C.should be up to
D.should be no more than

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