Compression in which no heat is transferred to or from the gas during the compression process.

A valve that controls the flow in air lines.

The cabin roof, raised above the deck to provide headroom in the cabin. Also trunk.

A carrier which has a direct physical connection with, or forms a link between two or more carriers.

A compressor that is designed to operate at lower pressures. Usually a blower is an air compressor that operates below 2 barg, although this figure depends upon the respective manufacturer.

A rate of action. In this case, quickly.

A government official residing in a foreign country who represents the interests of her or his country and its nationals.

Foreign matter carried in the air, gas or fluid to be filtered out. Includes air borne dirt, metallic particles produced by wear of moving parts of the air compressor, rust from metal pipelines.

Machines in which air or gas is compressed in each cylinder or casing from initial intake pressure to final discharge pressure.

Cubic space (measurement tons occupied by one tonne (2240 lbs or 1000 kgs of cargo))

Large bollards affixed to the main deck near the bow of a square rigged vessel around which hawsers or anchor cables were belayed.

The spaces between the transverse bulkheads of a ship.

Machines having only one impeller.

A figure representing the average low tide of a region.

When a line is pulled as tight as is can go, as when two blocks are pulled together so that no further movement is possible (also known as "Two blocked").

The area leading down from the deck to the cabin, usually with steps (ladder)

The crew's term for the chief engineer.

Used to confine the bowsprit down to the stem or cutwater.

Station, usually on the bridge, from which a ship is controlled; the act of so controlling.

To clap on is to temporarily add something to an existing part.