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A. Meet in front of the muster station.
B. Get hold of the ladder.
C. Drop me a heaving line to lift my bag.
D. A ship is made fast to the equipment by mooring lines.

A. Lifeboat launching is operated at intervals of three months.
B. Lifeboat launching is operated at intervals for three months.
C. Fire drill is carried out once a month.
D. Don’t operate two or more hatch covers at the same time.