Ngwa, ngwaọrụ ahụ na-emepụta oghere magnet nke na-enye ya ohere iwepụ site na ndị na-achịkwa àgwà ọma nke mmiri mmiri, nke na-emepụta obere ígwé ojii nke na-acha ọcha anwụrụ ọkụ gburugburu ngwaọrụ ahụ.  A na-etinye usoro ihe ngosi na ogige ntụrụndụ, na setịpụrụ na-emepụta oghere magnet dị mkpa iji kwaga, kwuru na onye na-emepụta ihe na nkwupụta. 
Ngwa, ngwaorụ ahu na-emepụta oghere magnet nke na-enye ya ohere iwepụ site na ndị na-achịkwa àgwa oma nke mmiri mmiri, nke na-emepụta obere igwé ojii nke na-acha ocha anwụrụ ọkụ gburugburu ngwaoru ahu.  A na-etinye usoro ihe ngosi na ogige ntụrụndu, na setipụrụ na-emepụta oghere magnet di mkpa iji kwaga, kwuru na onye na-emeputa ihe na nkwupụta. 