Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.

In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.

How should cargo tank hatches be protected when the ullage opening is open and the tank not gas free?（）.

How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.

It must never be forgotten（）the master has no authority to take extraordinary measures for the cargo owner if the latter or his representative can be communicated with.

Open ullage holes in tanks which are not gas-free must be protected by（）.

Dunnage may be used to protect a cargo from loss or damage by（）.

A tank vessel transferring non-flammable hazardous cargo in bulk must display warning signs. These signs must（）.

The cargo must be loaded within the time stipulated by the charter-party，otherwise the Charterer will have to pay（）.

In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.

Sometimes the contract（）that the lump sum freight must be paid in advance and will not be returnable even if the vessel and／or her cargo are lost.

The amount of fluid delivered by a positive displacement pump can be regulated by （）.