The ratio of solar collector array area to actual land area.

See evaporation pan.

Slang name for the Q Flag. Also an old term for yellow fever.

A generic term for liquefied and pressurized gas, ordinarily butane, propane, or a mixture of the two, contained in a cylinder for domestic use.

A method for making sheets of polycrystalline silicon in which silicon dendrites are slowly withdrawn from a melt of silicon whereupon a web of silicon forms between the dendrites and solidifies as it rises from the melt and cools.

A positively charged ion that migrates through the electrolyte toward the cathode under the influence of a potential gradient. See also anion and ion.

A pump which is used to deliver air to the aquarium. The pump pushes air through silicon tubing and to air stones or other aquatic decor. They are also an essential for UGF's (undergravel filters). An air stone is placed in each clear tube. When the air b ...

The testing of a metal to determine its degree of purity or to establish the constituents of an.

An international goods classification system for describing cargo in international trade under a single commodity-coding scheme. Developed under the auspices of the Customs Cooperations Council (CCC), an international Customs organization in Brussels, thi ...

Thread - Unified national coarse.

A unit of electrical measurement equal to the product of a volt and an ampere.

A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

The distance between the water level at chart datum and an overhead obstacle such as a bridge or power line.

Greater Coasting Service.

A type of vertical-axis wind machine that has long, thin blades in the shape of loops connected to the top and bottom of the axle; often called an "eggbeater windmill."

An enterprise in which there is a risk of loss.

Long Water

A movement of equipment from an origin rail ramp to a destination rail ramp only.

A contrary indicator moving in the opposite direction of the market and useful in spotting short.

Foreign substance which comes from the environment, adhering to a surface of a material