Direction or bearing of an object relative to a boat's heading.

Standard cubic feet per minute., SCFM or scfm. Flow of free air measured at some reference point and converted to a standard set of reference conditions (e.g., 14.4 psia, 80

Above this pressure, the system may rupture or burst.

Capacity of a compressor is the full rated volume of flow of gas compressed and delivered at certain set conditions.

Is the ratio of the theoretical work requirement to the actual work required to be performed on the gas for compression and delivery.

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.

A semi great circle joining the north and south poles. Known as lines of longitude, they cross the equator and all parallels of latitude at right angles.

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.

Cool air pulled ashore by rising thermal air currents caused by the air inland rising as the land heats up

A point of sail where the boat is sailing at a right angle to the wind (wind coming from abeam). A beam reach is usually the fastest point of sail. A beam reach is a point of sail between a broad reach and a close reach.

Any body of rate tariffs that are not part of an agreement or conference system.

Tank,one of which is situated at each side of the top part of the hold of a bulk carrier.

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

A ceremony performed on board ships when passengers or crew are crossing the equator for the first time during a voyage.

ACRONYM - National Pipe Thread tapered. A description of a specific pipe thread

Caulker's name for the seam in the upper deck planking next to a ship's waterways. There was very little space to get at this seam, making it a difficult and awkward job. This is the origin of the expression "Between the devil and the deep blue sea, since ...

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.

Covers for closing up hatchways.

Also known as LTL or LCL.