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10 Cards in this Set
- Front
- Back
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1/2 diam and under |
What is the size of the round bar (rod) used in sheet metal? |
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Angle steel |
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Channel |
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Tee bar |
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Mild steel |
Can be obtained as either black or galvanized and hot rolled or cold rolled |
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Cold rolled |
Witch is the strongest steel cold rolled or hot rolled |
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The register has a damper to control the airflow |
The difference between a grille and a register? |
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3/8 to 1 1/4 |
Pipe used in sheet metal trades range from... |
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Zinc tin and copper |
Steel wire is coated...to prevent rust and corrosion |
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Copper pipe |
Pipe size are commonly specified by outside diameter except for? |
