Recently, "Beijing plans to invest 760 billion yuan in managing air pollution," making topics such as air quality and respiratory protection once again become hot topics. And the news related to masks: "The long-term wearing industrial masks will cause damage to the respiratory system" and "inconsistent norms of the mask industry," etc. have also been the people's attention. The professor indicated that there are severe differences between industrial masks and civil masks and restrictions on activated carbon masks. If improper use is made, it may cause damage to Ankang. To this end, the professor called for the development of national masks for the national mask.

When confronting hazy climates, many consumers directly selected industrial masks such as N95 masks. In conjunction with the masks of the KN95 specification, the filtration power of PM 0.075 particles should be able to reach more than 95%, but the air permeability is relatively poor. In fact, working protective masks are not suitable for all people. Demand for German Labor Insurance Act In the non-polar working environment, it is not appropriate to wear industrial masks for a long time. In addition, if you wear an industrial mask, you should also go through all physical examinations to prevent damage to the user's body due to the tightness of the industrial mask. Regarding the appearance of a gauze mask with “industrial masks filled with civilian masks,” Zhao Danqing, head of the mask of the Green Shield, stated: “The disorder of Chinese mask shopping malls is not only full of fake counterfeit masks, but also the scope of civilian masks. Therefore, many white baboons, children, and expectant mothers use industrial protective masks, but in practice, these collectives do not wear industrial masks properly. Moreover, the bacterial viruses that are trapped in the smog particles are also harmful to Ankang. The big factor, but industrial masks do not touch protection against bacteria and viruses."

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