Gas Tungsten Arc Welding (GTAW), also known as TIG welding, is a welding process that uses a non-consumable tungsten electrode to produce the weld. An inert gas, typically argon or helium, shields the weld area from contamination, ensuring a clean and strong joint. This method is suitable for welding a variety of metals, including stainless steel and aluminum. GTAW is known for its precision and control, making it ideal for thin materials and intricate designs. The welder can manually feed a filler rod into the weld pool, allowing for greater flexibility in the welding process. This technique is widely used in industries such as aerospace and automotive.