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  1. PPE Expert Stephen Petty, The Truth About Cloth Masks & N95s (Includes Presentation Slides)

    PPE Expert Stephen Petty, The Truth About Cloth Masks & N95s (Includes Presentation Slides)

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    11.4K
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  2. Testimony: Industrial Hygienist Stephen Petty

    Testimony: Industrial Hygienist Stephen Petty

    116
  3. CDC workers sick after train crash investigation || Stephen Petty

    CDC workers sick after train crash investigation || Stephen Petty

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    8.69K
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  6. Stephen Petty, Expert, Industrial Hygienist solution far more effective than masks

    Stephen Petty, Expert, Industrial Hygienist solution far more effective than masks

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  7. How can anyone say it’s safe? Interview with industrial hygienist, Stephen E. Petty, on the testing of the water and air in East Palestine, Ohio

    How can anyone say it’s safe? Interview with industrial hygienist, Stephen E. Petty, on the testing of the water and air in East Palestine, Ohio

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    1.93K
    6
  10. Industrial Hygienist & PPE Expert Stephen Petty, The Truth About Cloth Masks & N95s

    Industrial Hygienist & PPE Expert Stephen Petty, The Truth About Cloth Masks & N95s

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    1.58K
    2
  11. How Much Protection Can a Mask Provide? Mask vs. PPE - Ep. 05 (Removed from YT)

    How Much Protection Can a Mask Provide? Mask vs. PPE - Ep. 05 (Removed from YT)

    251
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    19.4K
    45
  14. How to Control Exposure to Viruses, Bacteria, and Mold - Ep. 06

    How to Control Exposure to Viruses, Bacteria, and Mold - Ep. 06

    112
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    6.89K
    27
  15. My Experience Getting COVID (After Vaccination) - Ep. 16

    My Experience Getting COVID (After Vaccination) - Ep. 16

    122
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    5.89K
    42
  17. How Dirty Does a Mask Get - Ep. 18

    How Dirty Does a Mask Get - Ep. 18

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    3.07K
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  18. Masks vs. Respirators (What is ACTUALLY PPE) - Ep. 17

    Masks vs. Respirators (What is ACTUALLY PPE) - Ep. 17

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    4.15K
    8
  19. Home Inspections: What to REALLY Look at Before You Buy - Ep. 19

    Home Inspections: What to REALLY Look at Before You Buy - Ep. 19

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    1.81K
    9
  20. How and Why People Get Persuaded - Ep. 07

    How and Why People Get Persuaded - Ep. 07

    62
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    1.62K
    5
  21. How Long Can Particles Stay Suspended in the Air? - Ep. 04

    How Long Can Particles Stay Suspended in the Air? - Ep. 04

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    2.19K
    15
  22. Stephen Petty-Engineering Expert on Masking

    Stephen Petty-Engineering Expert on Masking

    62
  23. Masks - The Truth is Leaking Out - Slowly

    Masks - The Truth is Leaking Out - Slowly

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    89.5K
    45
  24. Stephen Petty - On the effectiveness of Masks

    Stephen Petty - On the effectiveness of Masks

    83