
With the new coronavirus variants going around, masking up is more important than ever. But which masks are best? Sadly there isn’t a rigorous ranking or standard to rely on, but we know a few things about different options. So let’s take a tour, starting with the best ones.
source https://vitals.lifehacker.com/5-types-of-masks-and-how-to-use-them-1846223751
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