You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?（）.

During counterflooding to correct a severe list aggravated by an off-center load，your vessel suddenly takes a list or trim to the opposite side. You should（）.

（）means a unit in which goods are totally enclosed by sufficient strong boundaries such as a freight container，a tank or a vehicle unit with fabric sides or tops.

On board container carriers，below-deck containers are stowed（）.

You are on a containership. Which statement about the stowage of hazardous materials in containers is TRUE?（）.

All the following except（）are fittings for securing and lashing containers on board ships.

Which factor does NOT affect the required freeboard of a cargo vessel? （）

When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.

When loading a container vessel，the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge，（）.

Cargoes that might leak from containers are known as（）.