Matsayin ƙananan hannu a kan mota shine: ana amfani da shi don tallafawa jiki, mai shayarwa;Kuma kashe jijjiga hanyar.Idan ya karya alamomin sune kamar haka: raguwar sarrafawa da aiki;Rage aikin aminci (misali tuƙi, birki, da sauransu);Sauti mara kyau (sauti);Matsakaicin madaidaicin matsayi, karkata, da haifar da lalacewa ko lalacewa (kamar lalacewar taya);Tuƙi ya shafi ko ma rashin aiki da sauran jerin matsaloli