Diffusion: Extremely high-quality particles measuring beneath 0.1 micron get bounced close to randomly and they are slowed by their interactions with atmospheric atoms and molecules. They eventually drift or get bounced into a filter fiber, whereupon (once more) they stick in a very approach named diffusion. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท The filter on https://www.mannature.com/products/detail/airpurifier