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

In the case of the leading marks，the master may（）to show these in the bill of lading if the goods or their containers are not clearly marked in such a manner as should ordinarily remain legible until the end of the voyage.

Where a container，pallet or similar article of transport is used to consolidate goods，the number of packages or units enumerated in the bill of lading as packed in such article of transport（）to be the number of packages or units in calculating the amount beyond which the carrier or the ship is not reliable.

Because of the arrangement of the cell guides，the MOST important factor while loading containers is the（）.

（）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.

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（）.

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

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?（）.

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?（）.

The development of the container system（）.