The rotation of a horizontal axis wind turbine around its tower or vertical axis.

A semiconductor in which holes carry the current; produced by doping an intrinsic semiconductor with an electron acceptor impurity (e.g., boron in silicon).

The shape of a sail, with regard to its efficiency. Controls such as the cunningham, boom vang, outhaul, traveler, halyards, leech line, sheets, and the bend of the mainmast all can affect sail shape. Also sail trim.

Passenger/Vehicles Ferry.

A situation where an investment organisation, such as an investment trust, deposits sterling with a.

Compressors that operate with an intake pressure below atmospheric and discharge pressure usually atmospheric or slightly higher.

[meaning]

To veer or haul on a rope, slightly, so that a part subject to nip or chafe is moved away and a fresh part takes its place.

A multilateral maritime treaty adopted in 1921 (at The Hague, Netherlands). Standardizes liability of an international carrier under the Ocean B/L. Establishes a legal "floor" for B/L. See COGSA

A document issued by the U.S. government; authorizes the export of commodities for which written authorization is required by law.

A device attached to a safety or safety relief valve that prevents it from opening at the set pressure.

A thin, reflective foil sheet that exhibits low radiant energy transmission and under certain conditions can block radiant heat transfer; installed in attics to reduce heat flow through a roof assembly into the living space.

[meaning]

The enclosure on a water heater, furnace, or boiler.

United Kingdom forecast model. (Available via AccuWeather.com Professional.)

A method of winds aloft observation essentially the same as a pilot balloon observation except the height data is derived from the radiosonde observation rather than from assumed ascension rates.

Horseshoe-shaped test piece used to detect the susceptibility of a material to stress corrosion cracking.

A feature of American-style options that allows the owner to exercise an option at any time prior to.

A two masted sailboat with the shorter mizzen mast placed aft of the rudder post. A ketch is similar, but the mizzen mast is forward of the rudder post.

A radar which is used to obtain the azimuth elevation, and slant range of an airborne target.