The falls on gravity davits are（）.

A.on either side of the vessel
B.as close as possible to the house
C.on the main deck
D.on each level of the accommodation space

A.Oars
B.Up oars
C.Way enough
D.Hold water

A.using a rotary grinder with an installed shield
B.letting go the anchor
C.handling wire rope or natural fiber line
D.painting with a spray gun