Diffusion: Pretty Great particles measuring underneath 0.1 micron get bounced around randomly and they are slowed by their interactions with atmospheric atoms and molecules. They ultimately drift or get bounced into a filter fiber, whereupon (all over again) they stick in the process called diffusion. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ Corbat suggests getting https://www.mannature.com