#density

[@krishnarathore6772]

🎉

[@amitkarade8252]

sir riali useful vidio ji

[@a2technicalpower170]

Thanks

[@siddhantkoche1272]

Right answer sir 👍❤️

[@a2technicalpower170]

Thanks

[@erbrajeshsoni5961]

Very👍 nice sir

[@a2technicalpower170]

Thanks

[@satyajeetprasad9360]

Sir koi boiler book ka website link jo hindi me ho bataye sir

[@omprakashyadavomprakash1155]

Coal sample weight kitna lena h?

[@puspendrasingh9328]

Sir ye Dm water kya hota hai?

[@kanorajput8157]

Deminrolized water
-ni minerals available in water

[@omprakashyadavomprakash1155]

Not useful lw