Gusaba: Iyi mashini nubwoko bushya bwo gukora neza no kubika ingufu za magnetiki itandukanya ibereye umukandara utandukanye. Ahanini ikoreshwa mubyuma bishaje, ibyuma bya slag, ibyuma bigabanya ibyuma byicyuma, ibyuma byubaka ibyuma nibindi byuma bya slag.