Diffusion: Quite high-quality particles measuring beneath 0.one micron get bounced about randomly and therefore are slowed by their interactions with atmospheric atoms and molecules. They finally drift or get bounced right into a filter fiber, whereupon (yet again) they adhere inside of a process referred to as diffusion. กลิ่นไม่พึงประสงค์ เช่น https://www.mannature.com/products/detail/airpurifier