Hangers for metal duct should be placed no further than every
A) 12 feet
B) 6 feet
C) 5 feet
D) Sheet metal duct does not require hangers because it is self-supporting
A
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Fill in the blank(s) with correct word
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What will be an ideal response?
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What is the difference between a body clip and a push-in clip?
What will be an ideal response?
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