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What are the protection options for covid-19?



Ordinary people usually choose disposable masks, which are cheap and easy to obtain, but relatively speaking, the protection performance is not particularly good.


People with a little experience will choose kn95 mask, which has excellent filtering performance, ergonomic design and low price.


If you add a layer of face shield outside, it will play a great role in preventing spray, which is usually the choice of public service personnel.


Gas masks also play a positive role in preventing the spread of the virus. However, it is not so convenient, beautiful and cheap.


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