（）cargo means to check all cargo loaded into or discharged from a vessel.

The use of containers will make the cargo-handling safer if（）that the man-hours of exposure to risk will decrease.

You are on a containership carrying a tank container that had been filled with sodium hydroxide solution. The container is empty but has not been cleaned. Which，if any，placard is required?（）.

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

You are on a containership. The cargo includes a container of small arms ammunition，a container of lead-acid storage batteries and bottles of methyl acetylene. Which statement is TRUE?（）.

A half-height container is used（）.

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（）.

A vessel has a strong wind on the port beam. This has the same affect on stability as（）.

Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.

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，（）.