Diffusion: Very High-quality particles measuring down below 0.one micron get bounced all around randomly and they are slowed by their interactions with atmospheric atoms and molecules. They inevitably drift or get bounced right into a filter fiber, whereupon (another time) they stick in a process called diffusion. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ Corbat waiting for link from Social Network Posts (5)