เครื่องฟอกอากาศ ประโยชน์ for Dummies
Diffusion: Extremely high-quality particles measuring under 0.one micron get bounced all-around randomly and so are slowed by their interactions with atmospheric atoms and molecules. They inevitably drift or get bounced right into a filter fiber, whereupon (another time) they adhere in a approach named diffusion.ฝุ่นละออง, เช�