There are many things to pay attention to when wearing disposable medical masks. The first is not to reuse these masks, which is strictly prohibited. Moreover, generally pm2.5 masks need to be replaced after wearing them for up to eight hours....
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Speaking of dust masks, we must be very familiar with them, they can protect the safety of our respiratory system, is when we carry out some work, we must wear protective equipment. Protective masks are protective properties that are relevant if we st...
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Gauze masks are used in many places, so how can you wear them comfortably and correctly? Let's learn together? Turn the nose clip up and rest the respirator gauze mask on your chin. If there are two headbands, place the top of the N95 mask...
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