A block with a single sheave which is hinged and opens on the side so that the bight of a line can be led into the block and closed without running the whole length through

Heavy canvas used as a covering.

A symbol placed on packages for identification purposes; generally a triangle,square, circle, etc. with letters and/or numbers and port of discharge.

A bollard with horizontal arms, forming the shape of a cross, as a means of belaying lines.

A machine used to pick up and move goods loaded on pallets or skids.

Canvas, cloth, leather, tubing, rubber or other material placed around a line or cable to protect it from wear and abrasion

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

A power or sailing boat used by pi-lots (men who have local knowledge of navigation hazards of ports).

A spring line tied from the boat to chain rode, usually near the water's surface. It helps disperse tension forces. It also prevents damage to the boat by ground tackle and can help in the retrieval of the ground tackle in heavy weather.

A ball shaped buoy marking a navigational hazard.

The senior engineer officer responsible for the satisfactory working and upkeep of the main and auxiliary machinery and boiler plant on board ship.

Short lengths of line attached to the sail used to tie the extra sail out of the way when reefing.

A volume. Cubic meters per second.

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

An apparatus consisting of an outside shell and a sheave through which a rope may be passed (pulley).

(1) The flag traditionally flown by pirate ships. (2) The name given by sailors to the bubonic plague, whose victims were said to turn black.

The stationary seating surface, the inlet of a valve.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.

Port of initial Customs entry of a vessel to any country. Also known as First Port of Call.

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