Mr William Hauselberg's Article in Mobile Phones 
  
        
    
        
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               Recent Innovations in Pittsburgh's Green Technology
                 Once known as the City of Steel, Pittsburgh thrived as a major producer of metal and coal. Mills were plenty and generations worked together side-by-side in the heat and soot. Likewise, the city was covered in its own layer of soot. The residents prospered and enjoyed all that came with living in a blue collar city.  
               Posted on Sep-06-2012 
               
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