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The latest finishing FAQs about using masks
QWhat kind of mouth placement can prevent fog?A: The harm of fog mainly comes from the fine particles, that is, the aero...
Mask classification and use
Mask classification and useOrdinary masks or gauze masks: it can only filter larger particles, and is only used for low-...
How to wear a mask when it's hot? People in low-risk areas can remove masks conditionally in public
The weather is getting hotter and hotter, and a lot of masks obviously feel facial discomfort and even prickly heat. So,...
What is the correct way to wear a mask
With the improvement of people's living standards, the current tools for going out of the home are changing from bicycle...
Standards, selection and use of dust masks
Dust masks are indispensable protective equipment for workers engaged in contact with dust. There are many types of mask...
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