There are open-air conditions impurities (contaminant), such as dust (dusts) smoke (flumes), various gases (gases), fine particles (mist) Smell (odor), smoke (smoke) Steam (vapor), etc. in the quantitative Or destroy the property of people or the environment.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)