Mig Welding
- The Mig in Mig welding is short for Metal Inert Gas. The gas is typically carbon dioxide or a combination of carbon dioxide and argon. The shielding gas is used to protect the area being welded from atmospheric gases, which if they came in contact with the weld area, would decrease the quality of the weld considerably. Mig welders work by automatically feeding an electrode at the press of a button shielded by the shielding gas. This is one of the easiest types of welding to learn and is perfect for beginners.
source:ehow.com
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