Eli5: What is the difference between soldering and welding?
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Soldering is a way of joining two pieces of metal together by melting a special type of metal called solder. It is usually done with a soldering iron and takes less heat than welding. Welding is a way of joining two pieces of metal together by melting them together with an arc of electricity or a gas flame. It takes more heat than soldering and requires special protective gear.
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