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the beging of usin a light weight easy to mold form of steel
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speeds up production of houses...vehicles....ect. www.ideafinder.com/history/inventions/assbline.htm
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althought the first home tohave a air conditioner was in 1914 http://www.facstaff.bucknell.edu/mvigeant/therm_1/ac_final/bg.htm
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opened a new feld in welding strengthenin and speedin up the roccess
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the discovery of a steel that wouldnt rust
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wiki.answers.com/.../When_and_where_was_television_invented
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another step forward makin the proccess even faster by removin the need to change electrodes every few secounds (now known as mig welding)
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this set forward a way to weld alumiun
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en.wikipedia.org/wiki/Apple_Inc
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http://www.enotes.com/how-products-encyclopedia/acetylene acetylene storage refernce http://in.answers.yahoo.com/question/index?qid=20090923080053AAvMqWT cutting torch info welding info www.ideafinder.com electric battery source http://www.enotes.com/how-products-encyclopedia/acetylene acetlyene source
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en.wikipedia.org/wiki/Apple_Inc apple information www.blurtit.com/q259288.html microwave source http://www.plasma-cutter.com/history_new.htm plasma cutter www.ideafinder.com/history/inventions/ducttape.htm duct tape info wiki.answers.com/.../When_and_where_was_television_invente tv info http://www.facstaff.bucknell.edu/mvigeant/therm_1/ac_final/bg.htm air conditioner info www.ideafinder.com/history/inventions/assbline.htm assembly line in
