Something that covers or protects the filter assembly.

The vertical absorption of a liquid into a porous material by capillary forces.

A protective cover wrapped around the mast at the deck on a keel stepped boat to prevent water from entering the boat.

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

Self Contained underwater Breathing Apparatus - see Aqualung.

The total power absorbed by a compressor, including the power absorbed by all pumps, fans, coolers and the like.

The stationary seating surface, the inlet of a valve.

Old and experienced seaman.

Line led forward, from quarter of a vessel, to prevent her from moving astern.

The strongest part of a vessel's side, to which the beams, knees, and foot-hooks are bolted. The part between the water's edge and the bulwarks.

The ratio of the indicated power to shaft input.

The official who is in charge of a harbor, enforcing all its applicable regulations.

Caulker's name for the seam in the upper deck planking next to a ship's waterways. There was very little space to get at this seam, making it a difficult and awkward job. This is the origin of the expression "Between the devil and the deep blue sea, since ...

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

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

ACRONYM - National Electrical Code

In charge of twelve to four watch. Ships navigation officer. Keeps charts (maps) up to date and monitors navigation equipment on bridge.

The surface of the water.

Misrepresenting freight or weight on shipping documents.

See Insurance, Particular Average.