Diffusion: Very Wonderful particles measuring down below 0.1 micron get bounced all over randomly and are slowed by their interactions with atmospheric atoms and molecules. They eventually drift or get bounced into a filter fiber, whereupon (over again) they stick in a procedure referred to as diffusion. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท Two Coway https://mannatureairpurifier.com/