[ADI] BOD, COD, THOD, TOC EXPLAINED (CE) In Hindi

After watching this video you would be able to differentiate between BOD, COD, THOD and TOC...(Environmental Engineering) For Donation USE UPI ID - adarsh.k.tiwari@oksbi Item used:- Sharpie Pens(Marker) - https://amzn.to/2VHBnJy Mobile holder- https://amzn.to/2NVQlJy One plus 6T(my Latest Videos)- https://amzn.to/2H6pzNX

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