1, make the mask close to the face:
(1) The colored side of the mask is outward, and the side with the metal sheet is upward;
(2) Fasten the rope for fixing the mask, or wrap the rubber band of the mask around the ear to make the mask close to the face;
(3) The mask should completely cover the nose, mouth and chin;
(4) Press the metal sheet on the mask tightly along both sides of the bridge of the nose to make the mask close to the face.
2. After wearing a mask, avoid touching the mask to prevent the protection from decreasing; If you must touch the mask, wash your hands thoroughly before and after contact.
3. When taking off the mask, try to avoid touching the outward part of the mask, because this part may be contaminated by germs.
4. After taking off the mask, wrap it with adhesive tape or paper bag, and then put it in a covered trash can for disposal.
5. Surgical masks should be replaced at least once a day. If the mask is damaged or dirty, it should be replaced immediately.