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(De)soldering a contact from a wire

Soldering is a process in which two or more metal items are joined together. They are heated with a soldering iron. Then they melt and a filler metal with a relatively low melting point flows into the joint. Soft soldering is characterized by the melting point of the filler metal, which is below 400°C. The filler metal used in the process is called solder. The helping hand tool makes soft soldering easier.