Khalidwe: mbali imodzi ndi mbali ziwiri
Izi zimagwiritsidwa ntchito pamakina owotcherera amagetsi, makina okonza magalimoto, makina opangira makina, makina owotcherera, waya wolumikizidwa ndi pepala lachitsulo, ndi ntchito ya maginito adsorbed papepala lachitsulo. Sungani nthawi ndipo musawononge chitsulo.
Zida: NdFeB