Masks become new equipment for media reporters

“Smoke and haze” was one of the important topics in 2013, which made everyone feel the discomfort caused by climate pollution and the hostility of natural warnings. Can only rely on masks and other respiratory protective equipment to completely solve the problem? the answer is negative.

Fog and tear, how can the lack of dust masks

As we all know, PM2.5 is fine particles. Fine particles, also known as fine particles, fine particles. Fine particulate matter refers to particulates with an aerodynamic equivalent diameter less than or equal to 2.5 microns in the ambient air, also known as PM2.5, and lung particulate matter. It can be suspended in the air for a longer time. The higher its content (concentration) in the air, the more serious the air pollution is.

At 3 pm on March 3rd, the second session of the Twelfth National Committee of the CPPCC held its opening meeting in the Great Hall of the People. There was a moderate slander in Beijing during the day and visibility was poor. Masks have become new equipment for some of the attendees of the second session of the Twelfth National People's Political Consultative Conference.

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