Uploaded on 2020-07-11 by REHAN AHMED

I CONFORM THAT THIS PICTURE IS NOT TAKEN BY ME THIS PICTURE IS TAKEN BY INTERNET. THIS PICTURE IS OF PACIFIC UNIVERSITY UDAIPUR CAMPUS I AM ALSO STUDYING IN THIS UNIVERSITY THIS BUILDINGS ARE CONSTRUCTED BY MATERIAL CALLED CONCRETE WHICH IS WIDELY USED CONSTRUCTION MATERIAL ALL OVER THE WORLD CONTRIBUTION OF MATERIAL IN WORLD ECONOMY IS THAT AS WE KNOW CONCRETE IS A COMPLEX MATERIAL MADE UP OF CEMENT AGGREGATES AND STEEL WHICH CONTRIBUTE VERY MUCH IN GLOBAL ECONOMY