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  5. CDC workers sick after train crash investigation || Stephen Petty

    CDC workers sick after train crash investigation || Stephen Petty

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    8.65K
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  6. Masks DON’T Work! - An Interview with PPE & Exposure Control Expert, Stephen Petty

    Masks DON’T Work! - An Interview with PPE & Exposure Control Expert, Stephen Petty

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  7. Testimony: Industrial Hygienist Stephen Petty

    Testimony: Industrial Hygienist Stephen Petty

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  11. STEPHEN PETTY ON PPE AND AEROSOLS

    STEPHEN PETTY ON PPE AND AEROSOLS

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  14. Covid Revealed – Episode 8B - Bonus Video (Stephen Petty)

    Covid Revealed – Episode 8B - Bonus Video (Stephen Petty)

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  15. Julie Parks, Stephen Hill, Metford Rd. Allotments Site Reps, Redland, Bristol Allotmenteers Resist!

    Julie Parks, Stephen Hill, Metford Rd. Allotments Site Reps, Redland, Bristol Allotmenteers Resist!

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  17. Covid Revealed Episode 8 Bonus - Stephen Petty

    Covid Revealed Episode 8 Bonus - Stephen Petty

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  18. Stephen Petty: Facemasks are the last thing you should do to protect from a virus

    Stephen Petty: Facemasks are the last thing you should do to protect from a virus

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  19. Stephen Petty (Industrial Hygienist): Ventilation is far better than Facemasks to control Aerosols

    Stephen Petty (Industrial Hygienist): Ventilation is far better than Facemasks to control Aerosols

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  20. Stephen Petty desmitifica cada argumento "a favor" de las mascarillas

    Stephen Petty desmitifica cada argumento "a favor" de las mascarillas

    371
  21. Stephen Petty - On PPE and Aerosols

    Stephen Petty - On PPE and Aerosols

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  23. COVID NARRATIVE KO'D: Masks Don't Work, and Fauci and Gates Make HUGE Admissions

    COVID NARRATIVE KO'D: Masks Don't Work, and Fauci and Gates Make HUGE Admissions

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  24. Stephen Petty’s Presentation on Minimizing Exposures to COVID & PPE

    Stephen Petty’s Presentation on Minimizing Exposures to COVID & PPE

    6