Imashini imwe yo gusunika umuvuduko mwinshi washyizweho muburyo bwihariye bwo kubanza gusya clinkers ya sima, imyanda ya minerval, ibyuma byuma nibindi nibindi muri granules nto, kugirango uhindure cyane amabuye y'agaciro (amabuye y'icyuma, amabuye ya manga- nese, amabuye y'umuringa , amabuye ya gurş-zinc, amabuye ya vanadium nabandi) no gusya amabuye y'agaciro atari ubutare (udutsiko twamakara, feldspar, nephe- line, dolomite, hekeste, quartz, nibindi) mubifu.