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re: The only randomized control trial of cloth masks vs surgical masks
Posted on 7/11/20 at 8:15 pm to WaydownSouth
Posted on 7/11/20 at 8:15 pm to WaydownSouth
quote:
How is it keeping it in, but not keeping it out? The mask doesn’t choose weather or not to it wants to keep air in or out
I’ve made this point several times to people, and no answer to my question. Masks aren’t one-way.
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