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Fitted N95 > cotton > fleece, bandana, knitted.
https://www.cnn.com/2020/08/08/us/duke-university-face-mask-test-trnd/index.html
There's a pandemic wave / virus particle duality joke in here somewhere.
Fitted N95 > cotton > fleece, bandana, knitted.
https://www.cnn.com/2020/08/08/us/duke-university-face-mask-test-trnd/index.html
There's a pandemic wave / virus particle duality joke in here somewhere.