A pair of vertical wooden or iron heads on board ship, used for securing mooring or towing lines. Similar to dock bollards.

Arrangements with a steamship line to transport containerized cargo.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.

Compressors in which successive volumes of air or gas are confined within a closed space, and compressed. They may be either reciprocating or rotating. (Trap air and then squeeze it to the desired pressure).

A measure of air compressor efficiency, usually in the form of bhp/100 acfm or acfm/bhp

The act of supporting anything by propping or shoring it up.

A single outlet or limited number of outlets in a building used to connect tools or equipment to the air system.

Specific Power Consumption.

Abbreviation for:- Port of Loading.- Petroleum, Oil, and Lubricants.

A large and powerful sheet winch

Openings in a ship's hull for ventilation, light and other purposes.

Compounds containing chlorine, fluorine or bromine, used as aerosol propellants, refrigerants, foaming agents and solvents and which, on decomposition by sunlight, produce oxides of chlorine responsible for the removal of ozone from the stratosphere.

A small toggle used on a flag.

Fast boat used for passenger and cargo traffic in fairly sheltered waters.

A general nautical term for Canadians, but more especially for Nova Scotian sailing ships and men.

A hawser or line attached to an anchor.

A fitting of wood or metal, with horns, used for securing lines (tying up).

Length of chain used for putting around logs or steel products.

A navigational tool used to measure distances on a chart.

(1) A spar that extends from the bow of the boat. (2) A spar stretching diagonally across a four-sided fore-and-aft sail to support the peak.