Wear a surgical mask when going out to public. 
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Topic   Wear a surgical mask when going out to public.       Flag »  Reply » 
Wearing a surgical mask when out to public places is considered a self-starting health treatment. In addition to protecting against various dust particles, it is also resistant to germs. There is also a problem with PM 2.5 dust, if anyone has a N95 mask, they have to take it out as well.  
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  Thursday, December 17, 2020 at 10:27:09 PM

Professional Surveyor Boards » General Surveying » Wear a surgical mask when going out to public.

 
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