Permanent magnetism is caused by（）.

After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.

Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for（）.

A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound（）.

A fishing vessel casualty must be reported to the Coast Guard if it involves（）.

A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.

It is not necessary to declare（）in the Health List.

Cargo transfer operations on a tank vessel need NOT be stopped when（）.

A safe fuel system must（）.

Please supply 200 tons of fresh water（）my ship.