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

For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.

An obstruction on a helodeck is any object that might present a hazard to the（）.

A head-on situation at night is one in which you see dead ahead a vessel showing（）.

A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.

Permanent magnetism is caused by（）.

A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.

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

A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.

Permanent magnetism is found in（）.