Underwriters Laboratories standard 181 B covers
A) methods of connecting and sealing flexible duct
B) methods of connecting and sealing metal duct
C) methods of connecting and sealing all types of duct
D) methods of connecting and sealing ductboard
A
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Express 7/16 as a decimal, rounded to the nearest thousandth as necessary.
What will be an ideal response?
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____ sketches show two or three sides of an object in one view.
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