Coal-fired factories leave a trail of smoke Coal-fired factories leave a trail of smoke

This land got polluted. This land got polluted.

We all have seen the world of green, blue, brown. But there is there is another world of chem... We all have seen the world of green, blue, brown. But there is there is a...

Research is nothing but an endless search, Research is nothing but an endless search,

Pirates hid a treasure, Out came a ship. Pirates hid a treasure, Out came a ship.

And before drinking please treat it. And before drinking please treat it.