TIG Welding is one type of welding amongst a few choices you have - MIG,
Stick, Oxyacetylene, etc.TIG can be used to weld copper, titanium, even
two dissimilar metals, and is handy for making tricky welds (e.g.
s-curves, or welds on round things)..TIG generates heat via an arc of
electricity jumpin...By: stasterisk
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