This video talks about sources, effects and control measures of air pollution by oxides of Sulphur and Nitrogen. Please like, share and subscribe our channel. Keep watching our videos.
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@KrishnaKumar-ru6bp2 жыл бұрын
Thank you alot sir very informative sesion
@dhamanitya3 жыл бұрын
thank u sir for providing such a clear cristal knowledge