1. Yubatswe muri Magnet ya NdFeB, Igishushanyo gishya, Kuzamura imikorere, mubunini bumwe dufite gukurura gukomeye kurenza abandi.
2. Imbaraga zingana zapimwe mubidukikije bya laboratoire ukoresheje icyuma cyiza gifite ubunini bunini.
3. Ibice bitatu bitwikiriye hejuru ya magneti, NiCuNi irwanya ruswa, birashobora kugeragezwa no gupima umunyu wamasaha 24.
4. A3 Kurinda ibyuma bya karubone, birakomeye, biramba kandi birwanya ruswa.
5. 304 impeta zidafite ibyuma zishobora guhagarika ikoreshwa igihe kirekire nta kugoreka.