The general operation of siege equipment in this regard is unexpected, but there is no absolute danger, because doing any job is dangerous, there is no absolute safety, only relative. For example, laser cutting is much more environmentally friendly than plasma cutting and flame cutting. Plasma cutting machine has a lot of dust, smoke, and strong light when cutting, which requires that there must be a matching dust removal device. Laser cutting produces less dust, less light, and less noise. More environmentally friendly. Of course, the operator who is generally exposed to the laser cutting machine likes to stare at the cutting head. If you look at the spark produced by cutting for a long time, it will hurt the eyes and have a tingling sensation. The general laser cutting machine manufacturers will be equipped with eye protection glasses. The laser cutting machine is very intelligent and can be unmanned