The（）(精致货) must be handled with care.

An independent bilge suction is required for （）.

All accidents and damage to ship，equipment or personnel，must be（）in the vessel deck log.

Generally speaking, suction heads require to be （） for high speed or large capacities than for low speed or small capacities.

When discharging bilge water, which criteria must be observed?（）

Before liquid can flow into a pump, the air in the suction line must be （） sufficiently to cause the liquid to flow into the suction chamber.

Deep-fat cooking equipment shall be fitted with the following:（）

All portable fire extinguishers must be capable of being（）.

All portable fine extinguishers must be capable of being（）.

When installed for bilge pumping or ballast duty, centrifugal pumps require a （） to remove air from the suction pipe.

If your passenger vessel is fitted with a loudspeaker system，it must be tested at least once （）.

Vessels must be（）valid certificate of nationality or certificated of registry or license.