The canopy of an inflatable liferaft should（）.

If you were to pass a stopper on a wire rope，what should the stopper be made of?（）

A serving mallet is used in（）.

A single heavy wire made up for the topping lift is called a（）.

The davit aboard a ship is used to（）.

In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.

Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.

A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.

The equipment required to remove an on-deck oil spill on a barge transfering oil must either be arried on board or（）.

An effective braking system for windlasses on rigs in deep water is a(n)（）.