Diesel.

A line that controls the angle of the sail in its relation to the wind; attached to the clew of a sail to adjust its trim (make the sail the proper shape to catch the wind).

A transaction in which the purchaser of goods pays an initial deposit and takes possession. .

An atmometer which uses a filter paper disc as the evaporating element. The amount of water evaporated through the paper is read at the graduated tube reservoir.

To unload a shipping container.

The normal working pressure for an air motor (6 bar).

The way a boats spars and sails are arranged. To rig a vessel is to fit her with masts, spars, sails and running and standing rigging; term is also used to mean the setting up a device, e.g., to rig a lifeline, a tackle, etc

In reference to wind energy, for any given instant, the power available in the wind is proportional to the cube of the wind velocity; when wind speed doubles, the power availability increases eight times.

A hydrocarbon gas, C3H8, occurring in crude oil, natural gas, and refinery cracking gas. It is used as a fuel, a solvent, and a refrigerant. Propane liquefies under pressure and is the major component of liquefied petroleum (LPG).

The losses that result from inherent resistance in electrical conductors and transformation inefficiencies in distribution transformers in a transmission and distribution network.

A turbine that generates power from the combustion of a fuel.

A valve that controls the flow of air that passes through the valve. Used often for retardation or timing circuits, but especially for regulating the piston speed in cylinders.

To reduce or avoid the consumption of a resource or commodity.

The two times of the year when the sun crosses the equator and night and day are of equal length; usually occurs on March 21st (spring equinox) and September 23 (fall equinox).

A worn out vessel.

A measure of long-term precipitation effectiveness. The ratio of the normal annual rainfall to the normal annual evaporation.

A mercury-in-glass thermometer which records the temperature upon being inverted and retains its reading until being returned to the first position.

An empirical measure of the quantity of light. It is based upon the spectral sensitivity of the photosensors in the human eye under high (daytime) light levels. Photometrically it is the luminous flux emitted with a solid angle (1 steradian) by a point so ...

A unit of mass equal to 1,000 kilograms or 2,204.6 pounds.

The process of modifying a building's structure.