Thin plates attached to the exterior of the hull to deaden any rolling.

The pressure encountered on the return side of a system.

Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.

A material (such as oil) used between moving parts of machinery to make the surfaces slippery and reduce friction.

Compressor controls will run the compressor at varying loads to accommodate demand variations. Running a compressor at less than full load results in a drop in compressor efficiency and thus an increase in operating costs.

Also known as PM, maintenance performed according to a fixed schedule involving the routine repair and replacement of machine parts and components.

The capacity for floating.

Long wave formations during calm or light air formed by waves running into shoaling water

Wheeled under-carriage on which a container or chassis may be placed.

In a manner, or fashion, befitting a seaman.

(1) A false keel. (2) The projection of the keel abaft the stern frame where the spindle of the rudder rests.

An outrigger used to hold a block clear of a mast or of the ship's side.

The aft edge of a sail, more commonly called the leech.

A contract term meaning both parties agree to provide something for the other.

Structural members on the longitudinal sides of the base of the container.

In spray painting, the process of applying the final coat of paint at a lower air pressure. Used to uniform a finish or blending.

The difference between the discharge pressure and the intake pressure.

A charge for delaying a steamer beyond a stipulated period.

Cabin; sleeping compartment.

A board-shaped swinging vane, controlled by a tiller or wheel, and attached to the rudderpost or stern for steering and maneuvering a vessel.