... 100/120 Series 1. Purpose and character 1.1 Purpose:Cutting work-piece easily, high efficiently, perfectly and cheaply, ... .2.1 Character:2.1.1 Widely cutting field, not only cutting normal carbon steel instead of oxygen acetylene,but ... It can be widely applied to pressure container, food, medicine machinery, petrol and chemical, environment, ventilation equipment, automobile, train, shipbuilding ...