The frame of a container constructed to hold one or more thermally insulated tanks for liquids.

A short piece of line spliced into the end of the clapper by which the bell is struck. Traditionally it is finished off with a double wall knot crowned in its end.

A set of wheels that support the front of a container; used when the automotive unit is disconnected.

A traditionally shaped anchor having flukes perpendicular to the stock of the anchor and connected by a shank. These are less common than modern anchors such as the plow and lightweight anchors.

A vessel's position determined by observation and navigational data.

An ornamental knot to provide a stopper on the end of a line.

On a square-rigged ship, the ropes which hang below a yard upon which the topmen stand while aloft furling or reefing a sail. They were supported by ropes from the yard known as "stirrups".

A quality of compressed air for use with pneumatic instruments and controls. (usually dry and free from contaminants)

A device invented by Captain Jacques Cousteau in 1943 to enable a diver to operate underwater independent from an air supply from the surface.

Imaginary lines drawn through the north and south poles on the globe used to measure distance east and west of the prime meridian at Greenwich, England (designated as 0

Determination of the dutiable value of imported merchandise by a Customs official who follows procedures outlined in their country's tariff, such as the U.S. Tariff Act of 1930.

Abbreviation for "Destination Rail Freight Station." Same as CFS at destination, except a DRFS is operated by the rail carrier participating in the shipment.

A dust-collection chamber containing numerous permeable fabric filters through which the exhaust gases pass. Finer particulates entrained in the exhaust gas stream are collected in the filters for subsequent treatment/disposal.

Illegal passenger who hides himself on board a ship in order to gain free passage or to escape from a country.

Course Over Ground

The post that the rudder is attached to. The wheel or tiller is connected to the rudder post.

A region near the earth in which the relative velocity increases from zero with elevation, due to the motion of the atmosphere relative to the earth's surface.

A point located en route between two other points.

The posted bill showing stations of the crew at maneuvers and emergency drills.

A bulkhead, frame, or longitudinal stiffener, running fore and aft.