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      |  INTRODUCTION | 
     
     
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        In the Particulate Contaminants section,
        we’ll discuss the descriptive terms and relative sizes of airborne particulates.
        Here, we’ll track down the major sources of these particulates, examine
        the types of activities that generate them, and look at the filtration
        systems that have been designed to maintain a controlled and clean environment
        in our workplace. | 
       
         
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