Ntibisanzwe isi ihoraho, cyane cyane ikozwe mubikoresho nka neodymium, samarium-cobalt, nibindi, bigira uruhare runini mumashini zitandukanye zubuvuzi nibikoresho bikoreshwa mubitaro. Imiterere yihariye, nkimbaraga zikomeye za magnetique hamwe no kurwanya demagnetisation, bituma biba byiza kubikorwa byinshi bikomeye.