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Centisphere (micro)
1.Fly ash rollel nke nwere ike ise n'elu mmiri.
2.Ọ bụ isi awọ na-acha ọcha, na-acha isi awọ, ibu dị arọ, ibu ibu, ibu ibu / m3, na urughuru ihe ruru 0.1 mm.
3.Whely na-eji emepụta ihe eji eme ka ihe na-egbu egbu na mmanụ dị iche iche.
