Any one of numerous devices for the measurement of either speed alone or of both direction and speed (set and drift) in flowing water.

An apparatus for converting the energy available in the wind to mechanical energy that can be used to power machinery (grain mills, water pumps) and to operate an electrical generator.

A device mounted in the vent connector that closes the vent when the heating unit is not firing. This traps heat inside the heating system and house rather than letting it draft up and out the vent system.

Fracture of a metal during quenching from elevated temperature. Most frequently observed in hardened carbon steel, alloy steel, or tool steel parts of high hardness and low toughness. Cracks often emanate from fillets, holes, corners, or other stress rais ...

A watch tackle (small, handy block and tackle for general use).

National Weather Service. Administered by the U.S. Department of Commerce.

The amount of work accomplished by electrical power, usually measured in kilowatt-hours (kWh). One kWh is 1,000 Watts and is equal to 3,413 Btu.2.The energy of moving electrons.

The destruction of adhesion between a coating and the surface coated.

The coupling of salaries and pensions etc to the retail price index in order to make sure that the.

The ratio of the electrochemical equivalent current density for a specific reaction to the total applied current density.

A metastable lamellar aggregate of ferrite and cementite resulting from the transformation of austenite at temperatures above the bainite range.

Harmonized Tariff Schedule

The maximum distance along the runway at which the runway lights are visible to a pilot at touchdown. Runway visual range may be determined by an observer located at the end of the runway, facing in the direction of landing, or by means of a transmissomet ...

Water Quality Insurance Syndicate

Conduction of electric current from an underground metallic structure by means of a metallic conductor. Forced drainage is that applied to underground metallic structures by means of an applied electromotive force or sacrificial anode. Natural drainage is ...

A substance that produces depolarization.

The older name for the Celsius temperature scale. Officially abandoned by international agreement in 1948, but still in common use.

(FDIC) In the US, the federal agency that acts as guarantor for funds deposited in member.

Per Freight Ton

The ratio of a photovoltaic cell's actual power to its power if both current and voltage were at their maxima. A key characteristic in evaluating cell performance.