Ibiranga sisitemu:
• Imbaraga nyinshi, kugoreka ultra-hasi
• Ingano nto kandi byoroshye gutwara
Igice cya NdFeB
• Igishushanyo mbonera cyo kwishyiriraho
• Uburyo bwiza bwo kuzamura
• Kwishyiriraho vuba
• Imikorere isumba iyindi