soap solution bubble test

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• soap bubble test — A basic test to confirm gas leakage in any kind of system in which gas is held under pressure. A soap solution is brushed over the areas of probable leakage. Any leak is confirmed by bubbles in the soap film …   Aviation dictionary

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• 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

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• Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …   Universalium

• Hashish — (from Arabic: ar. حشيش ArabDIN|ḥashīsh , lit. grass ; also hash) is a preparation of cannabis composed of the compressed trichomes collected from the cannabis plant. It contains the same active ingredients but in higher concentrations than other… …   Wikipedia

• Glycerol — Glycerine and Glycerin redirect here. For the Bush song, see Glycerine (song). Glycerol …   Wikipedia