the outer layer of the mask may be already contaminated by virus etc after wearing sometimes. No recommend to keep in pocket, sling bag etc
Which facemask brand you buy ?, Which 3 layer Mask brand is certified ?
Which facemask brand you buy ?, Which 3 layer Mask brand is certified ?
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Sep 5 2020, 10:49 AM
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96 posts Joined: Mar 2015 |
the outer layer of the mask may be already contaminated by virus etc after wearing sometimes. No recommend to keep in pocket, sling bag etc
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