what's with the protective face mask effect？

The protective mask is an industrial protective mask used to protect the eyes and face from dust, chemicals, heat, poisonous gas, crumbs and other harmful substances. It is equipped with toothed knobs on the left and right of the elastic head clip. A large curved thin curved transparent cover is installed on the toothed knob. The large curved thin curved transparent cover can be screwed on the face or the top of the head on the elastic head clip with toothed knobs. It can be used in conjunction with gas masks, dust masks, and work caps to achieve comprehensive protection.

Protective masks are divided into different types according to different use occasions: welding masks, safety protective masks, medical protective masks, gas masks, radiation protection masks.

The role of medical protective masks is still relatively large. Under normal circumstances, when some diagnostic and nursing operations are performed, splashes of blood, body fluids, secretions, etc. of patients may occur. Protective masks can be used to protect doctors or operation of medical personnel.

If you are in close contact with an infectious patient transmitted by droplets, you can also use a medical protective mask to protect yourself. For example, the current epidemic situation of the new coronavirus is relatively serious. Frontline doctors can wear medical protective masks. Under normal circumstances, if patients with respiratory infectious diseases are subjected to close-range operations such as tracheotomy and tracheal intubation, it is possible Some splashes of blood, body fluids, secretions, etc. will occur, and full-scale protective masks should be used to protect medical staff.