Frost — is the solid deposition of water vapor from saturated air. It is formed when solid surfaces are cooled to below the dew point of the adjacent air. [cite web |url=http://www.weatherquestions.com/What causes frost.htm |title=What causes frost?… … Wikipedia
Helada (clima) — Saltar a navegación, búsqueda Para otros usos de este término, véase helada (desambiguación) … Wikipedia Español
SIS — The initials SIS may stand for: Intelligence security agencies* Secret Intelligence Service, UK intelligence agency, also known as MI6 ; * Australian Secret Intelligence Service; * Canadian Security Intelligence Service; * New Zealand Security… … Wikipedia
Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… … Wikipedia
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Gliding competitions — Some of the pilots in the sport of gliding take part in gliding competitions. These are usually racing competitions, but there are also aerobatic contests and cross country distance competitions. Many other pilots enjoy flying cross country just… … Wikipedia
Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… … Universalium
Gliding competition — Competition grid at 2004 UK Standard Class Nationals, Aston Down Some of the pilots in the sport of gliding take part in gliding competitions. These are usually racing competitions, but there are also aerobatic contests and on line league tables … Wikipedia
Emma Goldman — Goldman circa 1911 Full name Emma Goldman Born June 27, 1869(1869 06 27) Kovno, Russian Empire Died May 14 … Wikipedia
Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… … Wikipedia
