A large net with its mouth held open, towed by a trawler along the bottom to catch bottom fish.

A pipe, tube or channel that conveys a substance (such as air throughout a building).2. Tubes used to move air, such as to ventilate an enclosed area.

Notations made when the cargo is received at the carrier's terminal or loaded aboard a vessel. They show any irregularities in packaging or actual or suspected damage to the cargo. Exceptions are then noted on the bill of lading.

Loose ends of line left hanging over a ship's side.

Cubic feet per minute (cfm) of air required at the inlet to the distribution system.

Water which runs down and collects in the bilges of a ship and usually becomes foul and noxious.

Port where cargo is discharged from means of transport.

A form used to acknowledge receipt of cargo and often serves as basis for preparation of the ocean bill of lading.

A small, heavy triangular loose-footed sail fitted aft of the mast and used primarily in very strong winds.

An automatic or manual valve that causes the flow to be by passed.

1.06 liquid U.S. quarts or 33.9 fluid ounces.

That part of the total stroke which can be utilized repeatedly in actuator applications. It is measured starting at the compressed height and is the difference between the compressed height and the actuator height limit.

A void or empty space separating two or more compartments for the purpose of insulation, or to prevent the liquid contents of one compartment from entering another in case of a leak.

A device used to keep a line from slipping, such as a jamcleat.

The individual or firm that issues a draft and thus stands to receive payment.

Back pressure.

A metallic pad, usually embedded in concrete, on which the compressor feet are mounted.

The operation of rinsing out a cask to prepare it for new contents. Casks were once the primary means of carrying on board the necessary water and victuals.

A container fitted with a rear door and a minimum of one side door.

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.