（）are used to clean the bridge.

单项选择题Saw dust is used to （）.

A. absorb the oil
B. repair the derrick
C. adjust the boom
D. fill the ballast water

单项选择题Spade is used to （）.

A. get rid of the garbage
B. fill the ballast water
C. repair the derrick
D. adjust the derrick

单项选择题（）refers to the paint on the freeboard.

A. Dry paint
B. Topside paint
C. Side paint
D. Primer

单项选择题Cleaning holds are to clean hold from （）.

A. fore to aft
B. aft to fore
C. left to right
D. right to left

单项选择题The holds are divided by （）.

A.bulkhead
B.bulwark
C.bitumen
D.waterline