In welding process,we ofthen use welding guns,Plasma Welding Machine or other machine.The eyes and face are the parts of the human body that are directly exposed to the outside world and
are easily damaged by various harmful factors, especially the eyes that are harmed by the eye. In this condition, we need to wear welding mask .According to statistics, about 1% to 3% of workers in China suffer eye trauma and the industrial sector is as high as 34%. In the welding work, the direct threat to the eyes and facial skin are: arc radiation, radiation, high-frequency electromagnetic fields and thermal radiation
