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gearbox softwarenbsp018332gearbox software llc is an american video game development company based in frisco texas it was established in february 1999 by five developers formerly of rebel boat rocker randy pitchford one of the founders serves as president and chief executive officer gearbox initially created expansions for the valve game half life then...know more

knelson concentratornbsp018332this article needs attention from an expert in mining please add a reason or a talk parameter to this template to explain the issue with the articlewikiproject mining may be able to help recruit an expert a knelson concentrator is a type of gravity concentration apparatus predominantly used in the gold mining industry...know more

froth flotationnbsp018332froth flotation is a process for selectively separating hydrophobic materials from hydrophilic this is used in mineral processing paper recycling and waste water treatment industries historically this was first used in the mining industry where it was one of the great enabling technologies of the 20th century it has been described as quotthe...know more