@iah And: any mask is better than no mask at blocking them from getting into the air in the first place. (Of course, a cloth mask with a lot of holes will still let a lot through, but less than not having that mask.)
@wizzwizz4 that's true. But a cloth worn all day won't help shit.
@iah This is very helpful. I just wish they highlighted what he said at the end - having two openings. If you only have one then there will likely be positive pressure only, which will just stir the droplets around the room rather than evacuating them.
@WhoNeedszZz that's totally true. Spread the video and remind people to watch until the end..
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