A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?（）.

To determine which grades of cargo a tanker is permitted to carry you should（）.

In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）

To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.

In securing deck loads for an ocean tow，drill pipe should be（）.

The（）should ensure that the holds in which chemical packages are stowed are properly supervised during the loading operations and these packages are regularly inspected for leakage or damage on the voyage.

Ullage measurements are taken from the top of the liquid to（）.

Air gap is the vertical distance between the bottom of the hull and the（）.

By regulation，cargo tank atmosphere must be inert before and during which operation?（）

The greatest strain，when lifting a load with the jumbo purchase，is on（）.