Diffusion: Incredibly Fine particles measuring under 0.1 micron get bounced close to randomly and therefore are slowed by their interactions with atmospheric atoms and molecules. They ultimately drift or get bounced right into a filter fiber, whereupon (yet again) they stick within a procedure identified as diffusion. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท The Blue waiting for link from Social Network Posts (43)