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Author Question: List the common screw head designs. What will be an ideal ... (Read 36 times)

maegan_martin

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on: Jul 26, 2018
List the common screw head designs.
 
  What will be an ideal response?

Question 2

What standard covers flexible duct and methods of connecting and sealing flexible duct?
 
  What will be an ideal response?


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Pamela.irrgang@yahoo.com

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Reply #1 on: Jul 26, 2018
Answer to Question 1

Hex, round, pan, and flat

Answer to Question 2

Underwriters Laboratories 181 B


maegan_martin

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Reply 2 on: Jul 26, 2018
Excellent

Jossy

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Reply 3 on: Yesterday
:D TYSM

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