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

To take down a sail quickly; the entire action of getting a sail out of the wind and furling it.

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

A certified document showing the origin of goods; used in international commerce.

Bread that was supplied to ships before bakeries were introduced on board.

Is another term for saturated vapor pressure.

A change made either in the route of a shipment in transit (see Reconsignment) or of the entire ship.

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

a filter element intended to be discarded and replaced after one service cycle.

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

Old term for the boat used by the captain to go ashore.

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

A sail placed forward of the mast, such as a jib; the sail set from the foremast on a schooner; the lowest square sail on the foremast of Square Riggers.

The pressure encountered on the return side of a system.

Light rope secured to a buoy to hold vessel while stronger moorings are attached.

CFM. An airflow measurement of volume.

The weight of water vapor in the air vapor mixture per pound of dry air.

Steps in the compression of a gas, In reciprocating compressors, each stage usually requires a separate cylinder, in dynamic compressors, each requires a separate rotor disc.

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

Shanties are the work songs that were used on the square-rigged ships of the Age of Sail. Their rhythms coordinated the efforts of many sailors hauling on lines.