Hanyar da ke gaba bayan alamar itace matakai. Hanyar yankan bambanta ga abubuwa daban-daban. Don haka, don carbono lebur, hanyar wutar wuta ana amfani dashi. Haka kuma, an iya yanke kayan haɗin karfe na bakin karfe ta amfani da injin yankan plasma. Idan an yi amfani da plagma Arc plantster wasu wasu wasu halaye.