There are actually many types of masks. Different types of masks are classified according to different usages, such as: medical masks, medical surgical masks, cotton masks, cotton masks, activated carbon masks, N95 masks, and masks for children.

Nowadays, we use more medical and surgical masks in our lives. These masks are generally disposable. Use for 3 to 5 hours at a time, which can help us block harmful substances and so on. Medical surgical masks generally meet the standard of YY/T0969-2013 or YY 0469-2011 "Technical Requirements for Medical Surgical Masks". They are made of non-woven fabrics or composite materials and provide a physical barrier to prevent blood, body fluids and splashes from penetrating. General protection for medical and related personnel.

The correct way to wear a mask

(1) The darker color of the mask is the front, and the front should face outwards, and there is a metal strip of nose clip on the medical mask.

(2) The one facing the face should be the reverse side of the medical mask, that is, the lighter side. In addition, it should be noted that the part with the metal strip should be on the top of the mask. Don't wear it backwards.

(3) After distinguishing the front, back, upper and lower ends of the mask, wash your hands first, and after confirming whether the mask is correct, hang the ropes at both ends on your ears.

(4) The last step is also the metal strip problem mentioned earlier. After wearing the mask, you need to press the metal strips on both sides of the nose bridge with both hands to make the upper end of the mask close to the bridge of the nose, and then stretch the mask downward to make the mask Leave no wrinkles, it is best to cover the nose and mouth.