Masks work? Big surprise to someone whose business is to keep painters and decorators from falling prey to airborne toxins

Seeing it on TV trumps all his experience and supposed expertise, he said, commenting on Hot Off the Press: Masks Don’t Work”

[I speak as] health and safety manager of a commercial and residential painting and decorating business. Someone who needs to understand how to mitigate a bunch of different airborne toxins. Whether that be dust particles, lead or asbestos, or solvents and other chemicals. I was pretty shocked when we were told a dust mask, or worse a handkerchief would stop tiny liquid respiratory droplets. Because that isn’t how masks like N95/P2 even work. They stop solid dust particles, not gasses or liquids.

But I was even more concerned about how I was suddenly wrong about such a vital part of my job and how students in cafes and new migrants at supermarket checkouts suddenly knew more than me about it. Even when I explained the science to the best of my understanding. They knew more because the experts said so on TV.

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