About "Knowledge on the Use of Masks"
Release Time:
2022-04-14
Medical surgical masks are masks worn by medical staff when they work. It is mainly used in medical clinics, laboratories, operating rooms and other high-demand medical environments, with a relatively high safety factor and strong resistance to bacteria and viruses. Medical surgical masks can also be used to prevent the spread of influenza and respiratory diseases.
Medical surgical masks are masks worn by medical staff when they work. It is mainly used in medical clinics, laboratories, operating rooms and other high-demand medical environments, with a relatively high safety factor and strong resistance to bacteria and viruses. Medical surgical masks can also be used to prevent the spread of influenza and respiratory diseases.
Cotton masks are very common in daily life. They can be washed repeatedly and carried on, and have good breathability. The disadvantage is that the protection rate is relatively low. Of course, it also depends on the material and number of layers of cotton. This kind of mask is generally used for heating in winter. Dust masks are generally used in dusty environments. These masks are generally tightly sealed and have a breathing valve, which can protect against dust.
Wearing a mask is mainly to prevent the spread of virus droplets. The spread of droplets has a certain concealment, because the secretions brought out by the infected person when talking, coughing, sneezing, etc. contain viruses. The droplets when sneezing can be sprayed as far as about 1 meter, and are invisible to the naked eye. The formed aerosol can stay in the air for a period of time. Therefore, everyone must wear protective masks when going to crowded public places. The outside of the mask is mainly a water-blocking layer, which can prevent external droplets and liquid splashing, while the inside is mainly a moisture-absorbing layer, which can absorb the water vapor generated when breathing and speaking while wearing the mask, so that it will be more comfortable to wear.
Medical surgical masks are recommended to be replaced once every 4 hours; medical protective masks are recommended to be used for 6-8 hours. Do not touch the outer side of the mask with your hands; if it is a lace-up mask, untie the lower strap first, then the upper strap; for non-patients, turn the mask inside out, wrap it around the outside (contaminated area), roll it up and tie it with a strap Throw it in the trash again.
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