The correct way to wear a medical mask is to wash your hands first, take out a medical mask, distinguish between the two sides, the lighter side can touch the skin, the relatively darker color faces outward, and then distinguish between the upper and lower edges of the mask, the side with the metal strip is the upper edge, and the lower edge does not have a metal strip.
After finding the correct upper and lower edges of the mask, pull back the folds of the mask and position the metal strip on the upper edge, bending it along the alignment of the bridge of the nose so that it closely touches the bridge of the nose. The lower edge wrapped around the chin, both sides of the elastic band hanging in the ears, and then adjust the elasticity to avoid wearing a long time lead to ear discomfort, wear a good mask to check the tightness, to determine whether the mask’s four sides along the bridge of the nose, the face, and close to the close fit without leakage of air, the above is the effective and correct way to wear a mask.