Column Stabilized Drilling unit.

A type of solar heating system that circulate warm water from storage through the collectors and exposed piping whenever freezing conditions occur; obviously a not very efficient system when operating in this mode.

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

As a component of a heating or cooling appliance, rows of tubing or pipe with fins attached through which a heat transfer fluid is circulated and to deliver heat or cooling energy to a building.

Above this pressure, the system may rupture or burst.

Materials left over from making nuclear energy. Radioactive waste can living organisms if it is not stored safely.

Circular blocks in the shrouds or stays to adjust tension.

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

Net Standard Volume

Shore crane with a wide span.

A solar absorber surface that has high absorbtance at wavelengths corresponding to that of the solar spectrum and low emittance in the infrared range.

A material with high absorbtance and low emittance properties applied to or on solar absorber surfaces.

Slang for the leg irons which were used to secure men under punishment.

A term used in the automotive industry to describe the corrosion of vehicle body parts due to the collection of road salts and debris on ledges and in pockets that are kept moist by weather and washing. Also called deposit corrosion or attack.

Petroleum Industries Marine Association (of Japan)

Sails that are not properly arranged for the point of sail that the boat is on. The sails may be luffing or have improper sail shape, or the boat may be heeling too much. These conditions will slow the boat down.

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

Wood, used for fuel, that has been air dried so that it contains 15 to 20 percent moisture content (wet basis).

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 ...

A special coding used by employers when an employee's tax code is unknown. Individuals allocated.