03-11-2021, 07:25 PM
(03-11-2021, 06:18 PM)Huliwang Wrote: Mine is mostly from sweat and saliva when I wear it on my chin for running and walking......
When running you don't need to wear a face mask., because when running, you need lots of oxygen for the lungs, therefore for those who are doing strenuous exercises don't need to wear a face mask.........
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