In maritime warfare, a declaration published by a power forbidding sea-borne trade with an enemy.

Railcars grouped in a train by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. Eliminates the need to break up a train and sort individual railcars at each junction.

Wood or metal supports (Dunnage) to keep shipments in place to prevent cargo shifting.

Light-weight foresail similar to a spinnaker but set without a pole.

The action of a whale when it comes to the surface and expels the seawater it has taken in while feeding. The traditional hail of the lookout in a whaling ship when sighting this spouting water is "There she blows".

The compressor continuously compresses, however, when the maximum pressure is reached, the delivered air is blown off to the atmosphere instead of being fed to the receiver.

The difference in pressure between the opening pressure and reclose pressure of a valve. May be expressed in percentage of set pressure or "psig".

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.

Old term for a heavy gale or hurricane.

Old term for waking a sailor asleep on watch by throwing a bucket of cold water over him.

Abbreviation for "Bales."

Code of Practice for the Safe Loading and Unloading of Bulk Carriers

A flag signaling that a ship is about to sail and that all should report on board. It is International Code Flag "P".

A term describing the seamen of a British warship.

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

Open ocean sailing

Blower.

Once the only method, other than human voice, of passing orders to men on board ship; the instructions to perform certain tasks were conveyed by different notes and pitches on the high-pitched whistle.

To go onboard, to go into a ship, or to gain access to a vessel.

The basic unit of measurement for lumber. One board foot is equal to a oneinch board, 12 inches wide and one foot long. Thus, a board ten feet long, 12 inches wide, and one inch thick contains ten board feet.