MIG welding, or Metal Inert Gas welding, is a popular welding process that uses a continuous wire feed as an electrode. This wire melts and fuses the metal pieces together when an electric arc is created between the wire and the workpiece. The process is known for its speed and versatility, making it suitable for various materials, including steel, aluminum, and stainless steel. In MIG welding, an inert gas, typically argon or carbon dioxide, is used to shield the weld from contamination. This protective gas helps ensure a clean and strong weld by preventing oxidation and other impurities from affecting the molten metal. As a result, MIG welding is widely used in industries such as automotive, construction, and manufacturing.