Certified Water Technologist #63

Certified Water Technologist #63
Vern's Stories fredhorn37@gmail.com An expert is someone who knows each time more on each time less, until he finally knows absolutely everything about absolutely nothing.

Do DIY Masks Protect for The Covid

Do homemade masks protect you from the covid any better than N95 or surgical masks?

Here is a link to an article I found that discusses that very thing:  Article Found Here

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