Plasma cutting is a process used to cut through electrically conductive materials by using an accelerated jet of hot plasma. The process is commonly used in industrial applications such as cutting steel, stainless steel, aluminum, brass, and other metals. The process works by sending an electric arc through a gas that is then forced through a small opening in a nozzle. The gas is then heated to form a plasma, which can reach temperatures of up to 30,000 degrees Celsius and is directed at the material to be cut. The plasma cuts through the material, leaving a smooth cut edge.