what is GGBS #civilkudos

what is ggbs in hindi comparison between ggbs and fly ash fineness of ggbs allowable percentage use for ggbs ggbs kya hai ggbs aur fly ash me kya antar hai ggbs ka full form kya hai ggbs aur flys ash comparision mailid:- techconstruction21@gmail.com #civilkudos ‪@civilkudos‬