sources of water pollution || Industrial waste effluents || Diseases || Pashto ||

[@KhanarmanKhan-l9r]

Great 💯

[@abdulwajid9027]

❤❤❤❤

[@abakifsaeed3607]

Way of delivering is 👌

[@hamadullahkhan3568]

Yes enjoying our late night studies 😂😂😅

[@abishkhan7083]

Sir please give a lecture on "industrial wast of nitric acid"

[@KhalidKhan-fq2hl]

اَلسَلامُ عَلَيْكُم وَرَحْمَةُ اَللهِ وَبَرَكاتُهُ‎ Sir ge da cheptor excercise mcqs ao short question versa upload ke dera merabani baa ve

[@GsbdhsjjhBdbdjdjej-gm2kg]

Assalam u Alaikum sir fsc part 1 ka model paper upload karay please 👍

[@siddiqkhan6415]

Sir 2nd year industrial chemistry portion b karwa den paper kareeb han Watching from peshawer