01 Fly Ash Maka Ngwa Simenti Raw Coal Fly Ash Maka Ngwakọta Mgbakwụnye
ntụ ijiji bụ ntụ ntụ mara mma nke bụ ihe sitere na kol na-agbapụta ọkụ n'ime ụlọ ọrụ ọkụ eletrik. Fly ash bụ pozzolan, ihe nwere aluminous na siliceous ihe na-emepụta ciment n'ihu mmiri. Mgbe agwakọtara ya na...