How to choose a face mask to prevent new coronavirus pneumonia?
There are many masks on the market, but in fact, the only ones that can really play a role are medical face masks and N95 masks, so when you choose a mask, you should choose these two masks as much as possible.
How to wear a mask correctly?
There are 5 steps to wear a mask correctly:
(1) Pull the opening mask to both sides so that the nose clip is above the mask.
(2) Hold the chin against the chin and put on the mask upward.
(3) Pull the earrings behind the ears, and then adjust the earrings.
(4) Press the nose clip with both hands to make the nose clip fit perfectly with the nose.
(5) Check the tightness of the mask.