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Soldering and Brazing

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