SEWAGE AND TREATMENT

[@gametoonind9374]

Nice teaching and examples sir thank you

[@XD-pg4vv]

Very good

[@sumerianb4045]

Good video but sticking to Indian accent will be better

[@reenapereira1616]

Agree to you

[@beingkashmiri145]

It was osm

[@Aliveni-xq2nf]

Are you real Xavier

[@jigarparikh6660]

Nice video 👍

[@harshitasolanki2875]

Not explained properly 😞

[@PradhyumGhodke6668]

U are right but not wrong because u are not mad he is also not mad all are good

[@guardian5753]

Nice

[@poojachandel5987]

👍

[@solitary5885]

Nicely explained sir

[@dinashalateef3571]

❤❤❤❤❤❤

[@hatimvadwala2876]

Gujarati tell not english

[@fathimats2233]

😢😢😢

[@karkix-i.k]

Nice