A type of building ventilation system that uses fans or blowers to provide fresh air to rooms when the forces of air pressure and gravity are not enough to circulate air through a building.

A heating unit where heat is distributed by means of convection or fans.

To lie at anchor; to ride out; to safely weather a storm whether at anchor or underway.

Net volume actually displaced by the compressor piston at rated machine speed, generally expressed in cubic feet per minute (usually CFM). For multistage compressors, the piston displacement of the first stage only is commonly stated as that of the entire ...

Metal fitting attached to the hull that supports and aligns the aft portion of the propeller shaft.

The assembly connecting the crankcase and connecting rod to the cylinder head and piston rod for translating circular to linear motion.

Pieces of timber bolted to the hounds of a mast, to support the trestle-trees.

A certificate issued by an independent agent or firm attesting to the quality and/or quantity of the merchandise being shipped. Such a certificate is usually required in a letter of credit for commodity shipments.

Costs that do not vary with the level of activity. Some fixed costs continue even if no cargo is carried. Terminal leases, rent and property taxes are fixed costs.

ACRONYM - Canadian Standards Association

A method used to estimate building heating loads by assuming that heat loss and gain is proportional to the equivalent heat-loss coefficient for the building envelope.

Water in vapor form; used as the working fluid in steam turbines and heating systems.

In the United States, commonly known as a "Draft." However, bill of exchange is the correct term.

General term used to denote all activities connected with the catching of fish by any means.

Slang sailing expression for a piece of metal or shroud that can cut or stab you.

A heavy longitudinal timber that angles upward from the stern to support the underside of the fantail.

The minimum temperature at which sufficient vapor is released by a liquid or solid (fuel) to form a flammable vapor-air mixture at atmospheric pressure.

A machine supplied with external energy that is converted into force and/or motion.

A government document declaring designated goods to be shipped out of the country. To be completed by the exporter and filed with the U.S. Government.

Also known as deferred income and income.