The mask covers the face with a gap, so it is not worn correctly.

Reduce the filtering ability of masks, and have the knowledge to wear masks.

The correct way is to say that you listen, hold your nose and close your chin.

There are two sides inside and outside, which keep the water out and absorb the moisture inside.

Keep the correct usage in mind, with dark color outward and shallow tide inward.

Don't touch the outside of the mask, and pay attention when taking off the mask.

Take the ear lanyard to get it, and wash your hands when you take off the mask.

This is the correct way to use the mask.

Do not sterilize at high temperature, spraying alcohol will promote failure.

Hanging in a dry and ventilated place, sealed in a clean sanitary bag.

Don't throw away the mask after use, just cut a hole and you will be relieved.

The criminals found it, and it is risky to reuse it.

It is very troublesome to harm others and spread the epidemic.

Remember the key to the mask, and save your life at the critical moment.

Extended data:

Under normal circumstances, disposable medical masks and medical surgical masks are used for a limited number of times, and the cumulative use does not exceed 8 hours; Occupational exposure personnel should not use masks for more than 4 hours. After the mask has reached the upper limit, it can't be used any more. The mask should be replaced in time in the following situations: the mask is damaged or damaged; The mask is contaminated (e.g. stained with foreign bodies such as blood stains or droplets); Used for isolating wards or contacting patients; The mask is wet; There is an odor in the mask; Respiratory resistance increased significantly; The mask can't be close to the face.