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joxley3 joxley3
wrote...
Posts: 852
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6 years ago
When operating on a bar joist roof, it is difficult to determine the location of the bar joists because they may be as far apart as?
 
  A) 16 inches
  B) 2 to 3 feet
  C) 4 to 5 feet
  D) 6 to 8 feet
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6 years ago
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