One of the most commonly used welders, the MIG Welder is known for its effectiveness. A welding gun is used to feed the electrode wire. Simultaneously, shielding gas is passed that helps in protecting the weld as it cools down. In this welding process, carbon dioxide is used as it ensures great weld and is reasonably priced. Argon gas is also used sometimes that mixed with carbon dioxide ensures cleaner weld and less spatter. Water cooled MIG Welder can also be used for flawless welding purposes.

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