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A Soldering iron is a device for applying a point source of heat to melt solder. see also - Braising?
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Removed: 3d4
Soldering is a method of appling a lower melting point material to join other materials. Common solders have historically been lead/tin mixtures that have a melting point around 400F They can be heated in a number of ways, including bulk liquification, or by using a point source such as an electric soldering iron or braising torch.
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A
Soldering iron is a device for applying a point source of heat to melt
solder.
see also - Braising?