A. When oilspilling happens on board, the sailors’ work is to do oil-cleaning.
B. When oilspilling happens on board, the sailors’ work is painting.
C. When oilspilling happens on board, the sailors’ work is to do some repair work.
D. When oilspilling happens on board, the captain is in over command of it.

A. Fire party members maintain contact with lamps.
B. Fire party members maintain visual contact use lamps.
C. Fire party members maintain visual contact with lamps.
D. Fire party members maintain visual contact by lamps.