That part of the water which is diverted from the main stream of a current and as a result flows in the opposite direction.

The process of declaring the importation of foreign-made goods into the United States for use in the United States.

ISO.

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

A small toggle used on a flag.

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

A small round platform, smaller than a Crow's Nest, which was placed at the top of the mast to provide a greater range of vision from a ship at sea.

Specific Power Consumption.

(1) Prospective course over the ground for boat to follow. (2) A strip of metal attached to a mast to take the slides affixed to the luff of a sail.

(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.

A large and powerful sheet winch

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

A hawser or line attached to an anchor.

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.

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

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

A sharp-bowed sailing vessel of the mid-19th century, having tall masts and sharp lines; built for great speed; the generic name used to describe types of fast sailing ships.

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".

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

The radio operator.