Heatless reactivated dryer. By means of expanding cold dry air to near atmospheric pressure inside the regeneration tower, the dryer air picks up moisture from the saturated desiccant bed and is then purged to atmosphere.

A guy who gets Head (toilet) cleaning detail.

Misrepresenting freight or weight on shipping documents.

Above sea level

Is the temperature existing at the discharge port of the compressor.

The process of coating one metal with another, ordinarily applied to the coating of iron or steel with zinc. The chief purpose of galvanizing is to prevent corrosion.

The top of the mast

A legal signature usually placed on the reverse of a draft; signifies transfer of rights from the holder to another party.

One who designs ships.

A document that establishes the terms of a contract between a shipper and a transportation company. It serves as a document of title, a contract of carriage and a receipt for goods.

Old nickname for a second mate.

The temperature of a body referred to the absolute zero, at which point the volume of an ideal gas theoretically becomes zero. (Fahrenheit scale is minus 459.67

An embargo imposed by a Government against another country.

A coupling device which consists of a spring loaded shutoff valve and a positive locking mechanism. It is used to connect tools, hoses and other accessories. Also known as Quick Disconnect.

Line led forward, from quarter of a vessel, to prevent her from moving astern.

A complete listing of all cargo entering the country of discharge. Required at all world ports and is the primary source of cargo control, against which duty is assessed by the receiving country.

A drawing representing the internal parts of a vessel as if she had been cut straight through, either longitudinally or athwartships. It shows the positions of the frames and their exact curvature in relation to the hull shape.

A line with a weight on the end used to measure depth. The lead is dropped into the water and marks on the line are read to determine the current water depth. The lead usually has a cavity to return a sample of the bottom type mud, sand, etc.

The bottom of the mast, with a shape designed to fit into the mast step.

A fixed navigation aid structure, visible during the day, used in shallow waters upon which is placed one or more daymarks.