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 Dizzy by online propaganda of N95 and KN95 masks, how to choose masks? 3-step pit avoidance _ protection _ Li Lin _ standard

Original title How to choose a mask after being confused by the online propaganda of N95 and KN95 masks 3 steps to avoid the pit Dizzy by online propaganda of N95 and KN95 masks how to choose masks 3 steps to avoid the pit Full Body Disposable Coverall The full text is 2182 words and takes about 2 minutes to read There are many kinds of advertisements for masks How to choose a mask Here comes the guide to avoid the pit! There are many kinds of advertisements for masks How to choose a mask Here comes the guide to avoid the pit! Recently a press conference on the prevention and control of the novel coronavirus epidemic in Beijing warned that key personnel in the takeaway and distribution industry as well as ordinary citizens should wear N95 and KN95 masks when they are in closed and controlled areas or when they go to hospitals to see a doc... [More Information]