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.

To deliberately put a sailor ashore and leave him there while the ship sails away.

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

Relay to all others in order (a signal repeated from one ship to the next astern in column).

The after section of the propeller shaft.

A line with a weight on the end used to measure depth. The lead is dropped into the water and marks on the line are read to determine the current water depth. The lead usually has a cavity to return a sample of the bottom type mud, sand, etc.

Ability of a filter to remove particle matter from an air stream. Measured by comparing concentrate of material upstream and downstream of the filter. Typical particulate sizes range from .3 micron to 50 micron.

A portion of the discharge gas is redirected through a heat exchanger and then expanded back to suction pressure, where it is mixed with normal suction gas stream and commonly used to compensate for process flow demands.

See Insurance, Particular Average.

The area (in sq inches) of the filter element that is exposed to the flow of air or fluid for effective filtering.

The headstay on which jibs are hoisted

A party responsible for the payment as evidenced by the given instrument. Under letters of credit, the payer is the party on whom the draft is drawn, usually the drawee bank.

Ship's boat kept ready for immediate lowering while at sea. When used for life-saving, it was called an "accident boat" or lifeboat.

Goods transported in a ship, or the money paid for such goods.

A rail surrounding the poop deck.

The physical or mechanical process of separating insoluble particulate matter from a fluid, such as air or liquid, by passing the fluid through a filter medium that will not allow the particulate to pass through it.

A unit used when measuring atmospheric pressure. 33.86 millibars.

Is pressure as determined by most instruments and gauges.

The velocity of the gas in the passages between the filter units in the filter house of a gas filter.