LGK63/80/100/120 Series 1. Purpose and character 1.1 Purpose:Cutting work-piece easily, high efficiently, perfectly and cheaply, including all kinds of metal materials, such as carbon steel, stainless steel, copper, aluminium, nickel, titanium.2.1 Character:2.1.1 Widely cutting field, not only cutting normal carbon steel instead of oxygen acetylene,but capable to cut stainless, aluminium, copper, ...