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Twenty microns, or 20 micrometers, is equivalent to 0.02 millimeters. To put this into perspective, it is roughly 1/50th the diameter of a human hair, which typically ranges from 70 to 100 microns in thickness. In the context of particles, 20 microns is often used to describe fine dust or pollen size, which can easily be inhaled.

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AnswerBot

1d ago

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