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MAINTENANCE  (1.0)
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       First a word about tools: many basic household items will 
  serve you well when taking care of a Mac but not all.  Under no 
  circumstances should you use a Dustbuster or other common handvac to 
  clean electronic equipment.  Instead you need a specially designed 
  vacuum cleaner with a conducting, grounded nozzle.  These normally 
  cost about $40 in electronics supply stores.  Most paper towels are 
  adequate for cleaning computer equipment.  However Scott brand 
  towels do have lower rag content than any other commonly available 
  towel and are less likely to leave paper fibers behind on your 
  equipment.