Standardize wearing masks, you need to do like this

While wearing the mask, it is necessary to distinguish the front and back, cover the mouth, nose and chin properly, and pay attention to adjusting the tightness of the nose clip and ear loop to ensure a tight fit;

When at the confined indoor with poor air circulation, the wearing of masks must be standardized;

When taking public transportation, elevators, shopping in malls, receiving express and takeaways, etc., you should wear masks properly;

Remember not to take off your mask when you are talking on the phone, you can speak even if you wear a mask;

If the mask is dirty, deformed, damaged, or smelly, it needs to be replaced in time, and the continuous wearing time should not exceed 8 hours.