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Ma elekite electrodes amagwiritsidwa ntchito ngati linga la magetsi wamagetsi, timalowa m'malo osungirako midzi. Atakhala ndi mphamvu yopatsidwa mphamvu m'mwazi, monga wochititsa chidwi, amagwiritsidwa ntchito pochititsa arc, ndipo kutentha kwa arc kumagwiritsidwa ntchito kusungunula ndikukonza zitsulo zosawoneka bwino, zosapweteka komanso zopondapo zawo. Ndi wochititsa bwino pakalipano mu ng'anjo yamagetsi yamagetsi, sisungunuka ndikusintha kutentha kwambiri, ndikukhala ndi mphamvu inayake. Pali mitundu itatu:Rp,HP, ndipoUHP graphite electrode.