Diffusion: Really Fantastic particles measuring beneath 0.1 micron get bounced about randomly and they are slowed by their interactions with atmospheric atoms and molecules. They at some point drift or get bounced right into a filter fiber, whereupon (another time) they stick in a very procedure known as diffusion. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน waiting for link from Social Network Posts (13)