Niki cyo gupakira
Ibikoresho byo gupakira bigabanijwemo ibice bibiri kandi bigizwe na rukuruzi ebyiri.
Magnetique imwe rukumbi ni inkomoko ya magnetiki yimpande ebyiri, arizo gupfunyika magnetiki impande zombi binyuze mugikonjo cyicyuma hanyuma ugakusanya imirongo ya magneti yingufu, kugirango ukusanyirize imbaraga za rukuruzi kandi wongere imbaraga zo guswera.Imashini imwe rukumbi ifite igiciro gito, gukurura hamwe no gukora cyane.Ubusanzwe ikoreshwa mubisanduku bya vino, agasanduku k'icyayi, agasanduku k'impano, imifuka, ibicuruzwa by'uruhu, amakariso y'uruhu rwa mudasobwa, imyenda na buto y'ibibaho.