How to wear a 3m mask？ After wearing the 3m mask, you must perform a tightness check: cover your mouth and nose with your hands and exhale. If you feel gas leaking from the nose clip, readjust the nose clip and if you feel gas leaking from both sides of the mask, Further adjust the…
How to distinguish the front and back of a white flat mask? The front and back of the white flat mask can be distinguished by metal strips, creases, thread ends, colors and fabrics. 1. Metal strip distinction Distinguished by metal strips, the color of medical masks is usually the same, which makes it difficult for…
What is the difference between surgical masks and general medical masks? In addition to the high hygienic requirements, medical protective masks should also have the function of effectively blocking liquid splashes. Due to the possibility of splashing blood or infectious body fluids during surgery, such splashing has a certain pressure, which is not a general…
