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Soldering and Brazing

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Across
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When you layer one metal over another metal
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Shaping a material to create a socket to be used for welding
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A piece of metal inserted in hanger to prevent the hanger from crushing insulation
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The type of copper pipe most commonly used in the hvac field
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The most common solder contains tin and
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This action makes welding material spread and fill the gap evenly
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Any substance made of two or more material
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Fusable alloy that joins two metals with a melting point below 842 degrees
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The amount of teeth on a saw blade
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A tool used to shape pieces of copper to different angles
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The gas commonly used for both soldering and brazing
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Angled surface
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Protective personal equipment
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When the flame travels back into the welding hose
Down
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Aggressive solvent used to clean and soften plastic pipe
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Reducing surface tension so solder will flow evenly
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A tool used to light flammable gas
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Hard drawn copper is what
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The type of material that is safest to wear while welding
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The trade we work in
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Type of hanger to support from below or horizontally
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Support pipe that penetrates the floor vertically
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The process of cleaning a cut piece of copper
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Copper with the thickest walls