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Post time: Apr-26-2020

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The Skill Of Choosing And Buying Masks In...

1. Dust blocking efficiency The dust blocking efficiency of the mask is based on its blocking efficiency of fine dust, especially respirable dust below 2.5 microns. Because this particle size of dust can be directly i...
What Advantages Do Disposable Masks Have ...

Now the air pollution is more and more serious, many users will wear masks, disposable masks are the most used by users on the market. 1. Light texture Disposable masks used to make materials is also relatively good, ...
What Are The Precautions For Wearing A Mask

1. Wear a mask during the season of high incidence of influenza, in the days of smog and dust, when you are ill or go to the hospital for medical treatment. In the winter, the old people with low immunity, the sickly ...
Donation to fight the new crown epidemic
2019 National Off-Road Championship Spons...