Dhexroor yar oo graphite electrode, injineernimada leh dhexroor u dhexeeya 75mm ilaa 225mm, electrodes kuwan waxaa si gaar ah loogu talagalay hawlgallada dhalaalidda saxda ah.Haddii aad u baahan tahay wax soo saarka ee carbide calcium, sifaynta ee karborundum, ama dhalaalidda ee biraha dhif ah, iyo Ferrosilicon warshad Baahida.