Plasma cutters can make precise cuts or gouges in any metal that conducts electricity. They create minimal slag, or waste, and can cut metal plates with a range of thicknesses. Plasma cutters also cause minimal distortion on the workpiece when cutting or gouging thin metals. Plasma cutting is faster and cleaner than gas cutting. During the process, a plasma cutting torch is connected to a plasma cutting machine to deliver a focused jet of ionized compressed air (also known as plasma) that melts and cuts the workpiece. Nozzles and other accessories are attached to the torch to shape and control the cut, and plasma cutting guides can be used to help improve speed and accuracy while cutting. Plasma cutters are often used for cutting stainless steel, mild steel, and sheet metal in fabrication shops, automotive shops, construction applications, and salvage and scrapping operations.