Diffusion: Incredibly Wonderful particles measuring under 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 (all over again) they stick within a system referred to as diffusion. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ https://www.mannature.com