1) Khopolo: Limanete tsa Samarium Cobalt (SmCo) li entsoe ka Samarium, Cobalt le Iron, limakete tsena tse sa tloaelehang tsa lefats'e li matla haholo bakeng sa boholo ba tsona bo nyane, chebahalo ea tšepe le thepa ea 'mele e sable.
2) Litšobotsi: Demagnetization e phahameng ea ho hanyetsa.
Thepa e ntle ea mocheso oa 'mele
Hantle ho hanyetsa corrosion