The average temperature of the air as indicated by a properly exposed thermometer for a given time period, usually a day, a month, or a year.

A Letter of Credit payable at a future determinable date in which a term Bill of Exchange is not required to evidence the maturity date. (see Acceptance Credit).

The porous device which perform the actual process of filtration.

Column Stabilized Drilling unit.

Also known as LTL or LCL.

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 ...

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

Derrick

Air that is taken from the outdoors.

The difference between downward and upward (total) radiation; net flux of all radiation.

The vertical pole or spar that supports the boom and sails. a mast on a mechanically propelled vessel holds electronics antennas, lights, etc.

Heat exchangers for raising the temperature of compressed air to increase its volume.

Notice of Proposed Rulemaking.

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.

Atmosphere

A schedule of all ports to be visited on a ship's cruise, with dates of arrival and departure and the local agents' names and addresses

The total power absorbed by a compressor, including the power absorbed by all pumps, fans, coolers and the like.

Is used to cool compressed air or gas. Designed to reduce the temperature and liquefy condensate vapors.

A comparison of a carrier's operating expense with its net sales. The most general measure of operating efficiency.

Shore crane with a wide span.