Stephen Petty On The Lack Of Effectiveness Of Face Masks

Stephen Petty is a Certified Industrial Hygienist (C.I.H.), Certified Safety Professional (C.S.P.), and Professional Engineer (P.E.). He has been a testifying expert in nearly 400 cases on exposure, exposure control, PPE and warnings and has completed or supervised thousands of forensics projects mostly for the insurance industry.

Original YouTube Video:
https://www.youtube.com/watch?v=J3dnkbKoj4A

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https://rumble.com/c/PettyPodcasts

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Stephen Petty On Twitter:
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See Also:

Two Anti-Mask Heroes: Stephen Petty And Tyson Gabriel
https://stevekirsch.substack.com/p/two-anti-mask-heroes-stephen-petty

Uncensored News - COVID-19 Face Masks
https://sunfellow.com/covid-19-masks/