CO2 laser cutting engraving machine processes material by heating the material with fast speed. It may cause the material burning when cutting some inflammable material like wood, leather and plastic. we must cool it by air assisting to reduce the possibility of be on fire. However accidents still may happen (once the air assist doesn’t work or the blowing air is shortage). In order to safety of machine processes, The Air-pressure control sensor recommended by Thunder Laser helps you to avoid these accidents.