How to wear a mask scientifically
Author:Yunqiannan Time:2022.07.28
Recently, high temperatures have been coming, can I not help but want to take off the mask?Scientific masks are one of the effective ways to block the spread of new crown virus.For the health of yourself and others, don't relax on the occasion of the mask!The weather can also be scientifically worn on a mask, the epidemic prevention and control, everyone is responsible!
Source: Healthy Guizhou
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