Today we are joined by one of the top experts on exposure to hazardous materials. Stephen Petty is a certified industrial hygienist who has testified in court for years as a subject-matter expert on hazardous particulates. He explains the absurdity of thinking a mask can block a virus. Instead, he believes we should have focused on technology that actually dilutes or kills the virus so the public would actually feel safe with technology that works. After listening to Stephen, you will never look at that cheap cloth the same.
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