Inkoliso yee-metals, ezifana ne-iron kunye ne-copper, zii-conductor zombane. Ezi metals zisetyenziswa ukwenza iingcingo ezithwala eukuhamba okanye ukuletsheza kombane. I-Plasma yeyona yakhe yabalasela ekuthwaleni umbane kwaye isetyenziswa ukufezekisa iinjongo ezininzi kodwa zona ii-metals zisetyenziswa ngaphezu kwezinye.