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A comment on “I'm not sure there is an acceptable solution to the problem we are facing”. Parent comment

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Re:“I'm not sure there is an acceptable solution to the prob... by yokaze on Monday March 16, 2020 @06:59AM (#22591630)
Try to suck out a candle instead of blowing it out. That's where the directionality comes from. You mask is not hermetically sealed and only going through the material.
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