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dxcwgr dxcwgr
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6 years ago
The majority of air leaks in sheet metal duct systems occur
 
  A) At joints between ducts B) Around takeoffs on supply and return plenums
  C) Along the lengthwise seam in the duct D) In the seams of adjustable elbows

 Q. 2

How many grains are in a pound?
 
  A) 16 B) 7000 C) 144 D) 12
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ModorfielModorfiel
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6 years ago
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dxcwgr Author
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6 years ago
this is exactly what I needed
DaiwalkerX
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Yesterday
Smart ... Thanks!
courtneyrmcd
wrote...

2 hours ago
Good timing, thanks!
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