Diffusion: Quite Great particles measuring underneath 0.one micron get bounced all over randomly and so 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 a course of action named diffusion. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน The https://www.mannature.com