LGK63/80/100/120 Series 1. Purpose and character 1.1 Purpose:Cutting work-piece easily, high efficiently, perfectly and cheaply, including all ... 2.1.1 Widely cutting field, not only cutting normal carbon steel instead of oxygen acetylene,but capable to cut stainless, aluminium, ... 2 It’s convenience to use, cut shaped good, don’t change chemical compound while cutting. It is safety and not pollute ...