Ma electrodes ang'onoang'ono a graphite ndi njira yabwino kwambiri yosungunulira m'mafakitale osiyanasiyana monga calcium carbide, kuyengedwa kwa carborundum, kapena kusungunula zitsulo zosowa, ndi Ferrosilicon plant refractory. kusinthasintha, ma electrode awa amapereka magwiridwe antchito osayerekezeka komanso magwiridwe antchito.Small awiri graphite elekitirodi, awiri osiyanasiyana osiyanasiyana 75mm kuti 225mm