Rubber a tlotsitsoeng makenete ke ho thatela lera la rabara holim'a bokantle ba makenete, eo hangata e phuthetsoe ka sintered NdFeB makenete ka hare, matla a khoheli conducting tšepe sheet le rabara shell a ka ntle. Khaketla ea rabara e tšoarellang e ka netefatsa limakete tse thata, tse brittle le tse senyang ho qoba tšenyo le ho bola. E loketse lits'ebetso tsa ho lokisa makenete ka hare le kantle, joalo ka bokaholimo ba koloi.