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Jun 30th 2020

The best DIY face mask material and fit

The best DIY face mask material and fit? Quilting cotton beats bandana, new study suggestshttps://www.cnn.com/2020/06/30/health/masks-homemade-design-trnd-wellness-scn/index.html …

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Posted by Mark on Mar 21st 2020

N95 vs KN90

N95:"In the U.S., respirators are approved by the United States National Institute for Occupational Safety and Health (NIOSH). NIOSH classifies particulate respirators into one of three main classes …

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