Diffusion: Incredibly High-quality particles measuring underneath 0.one micron get bounced all-around randomly and are slowed by their interactions with atmospheric atoms and molecules. They finally drift or get bounced right into a filter fiber, whereupon (over again) they stick in the system identified as diffusion. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม It’s highly effective waiting for link from Social Network Posts (35)