A block and tackle attached to the boom and the deck to prevent the main from gybing when sailing downwind

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

An itemized list of goods shipped to a buyer, stating quantities, prices, shipping charges, etc.

The black line parallel with ship's keel marked on the inner surface of the bowl of a compass, indicating the compass direction of the ship's head.

A non-negotiable bill of lading which states a specific identity to whom the goods should be delivered. See Bill of Lading.

Slang term for a small swab made of rope and used for drying decks.

In the middle portion of the boat - Roughly halfway between a ship's stem and stern, and where the beam usually is the widest.

To mark a course on a chart.

Country, island or territory the vessel visits.

To hold off a boat with a staff, boathook, long spar, etc., to prevent her from coming along too heavily. also known as Fend Off.

The most commonly used lubricating oil for compressors.

A solid adsorbent used for drying compressed air.

Stationed near an offshore in-stallation, responsible for evacuating its crew in emergencies. Also performs continuous guard function, warning other vessels to keep their distance from installations, etc.

Liquefied Natural Gas, or a carrier of LNG.

Abbreviation for "Subject to Particular Average." See also Particular Average.

The point of a tide when the water is the highest.

Cycles per minute - a unit of measure of the frequency of any vibration.

When used in pricing terms such as "Ex Factory" or "Ex Dock," it signifies that the price quoted applies only at the point of origin indicated.

Force per unit area, usually expressed in pounds per square inch (PSI) or BAR.