Ozibuthe bomhlaba abangavamile, ikakhulukazi labo abenziwe ngezinto ezifana ne-neodymium, i-samarium-cobalt, nezinye, badlala indima ebalulekile emishinini yezokwelapha ehlukahlukene kanye namadivayisi asetshenziswa ezibhedlela. Izakhiwo zazo ezihlukile, njengamandla kazibuthe aphezulu kanye nokumelana nokukhishwa kazibuthe, zizenza zilungele izinhlelo zokusebenza ezimbalwa ezibalulekile.