Stephen Petty: Facemasks are the last thing you should do to protect from a virus
4 years ago
40
In this video - presentation, Stephen Petty an Engineer and Senior Industrial Hygienist answers the following questions:
What on earth is an Industrial Hygienist (IH)?
Can a cloth mask stop a virus?
What is Stokes Law and why is relevant to this discussion?
What is the hierarchy of measures that an IH considers when implementing a hazard protection program?
Which other measures should we actually take in consideration instead of facemaks?
How much smaller is a virus respect the hair diameter?
Original vÃdeo:
https://www.youtube.com/watch?v=I3dor-4Af2A
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