A coupling device which consists of a spring loaded shutoff valve and a positive locking mechanism. It is used to connect tools, hoses and other accessories. Also known as Quick Disconnect.

A drawing representing the internal parts of a vessel as if she had been cut straight through, either longitudinally or athwartships. It shows the positions of the frames and their exact curvature in relation to the hull shape.

An embargo imposed by a Government against another country.

Is the ratio of the theoretical work requirement to the actual work required to be performed on the gas for compression and delivery.

To stop, especially to stop work.

Heat cannot, of itself, pass from a colder to a hotter body.

A compressed air coupling commonly used on European rail and road vehicles to connect one vehicle to the next.

Man or boy employed in sailing deep-water craft. Word is sometimes loosely used to include men who go to sea. Used officially to denote a seaman serving on deck.

The temperature of a body referred to the absolute zero, at which point the volume of an ideal gas theoretically becomes zero. (Fahrenheit scale is minus 459.67

A fixed navigation aid structure, visible during the day, used in shallow waters upon which is placed one or more daymarks.

One who is employed in the working of cargo when a ship is being loaded or unloaded in port.

A form of wear in which seizing or tearing of the gear or bearing surface occurs.

Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.

Circular blocks in the shrouds or stays to adjust tension.

A halyard used to raise the spinnaker.

An unauthoritative story (a tall story).

The actual temperature of a moving gas stream. It is the temperature indicated by a thermometer moving in the stream with the same velocity as the stream.

Fog over land caused by condensation of vapor in the air above cooler ground.

Area into which a boat can not go without tacking.

Bound together.