1, tepi ya pepala lotchinjiriza pamapepala oyambira otsekera pamawonekedwe oti amadula m'lifupi mwake
commutator ndi gawo lofunikira la dc motor ndi AC commutator armature.
Zinthu zambiri zimapangidwa ndi mamolekyu omwe amapangidwa ndi ma atomu omwe nawonso amapangidwa ndi ma nuclei ndi ma electron. Mkati mwa atomu