Diffusion: Incredibly Fantastic particles measuring below 0.1 micron get bounced close to randomly and therefore are slowed by their interactions with atmospheric atoms and molecules. They ultimately drift or get bounced right into a filter fiber, whereupon (another time) they adhere within a method known as diffusion. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม ช่วยฆ่าเชื้อโรค waiting for link from Social Network Posts (33)