Ọrụ nke akara mmanụ n'ozuzu na-ekewapụ akụkụ ndị dị mkpa ka a na-agbanye mmanụ na akụkụ ndị na-ebufe site na gburugburu ebe obibi, ka ọ ghara ikwe ka mmanụ mmanụ na-agbapụta.Ọkpụkpụ ahụ dị ka ogwe nchara dị n'ime onye na-emepụta ihe, nke na-arụ ọrụ dị ka nkwado ma na-enyere akara mmanụ aka ịnọgide na-enwe ọdịdị na esemokwu.Dị ka ihe owuwu ahụ si dị, enwere ike kewaa ya n'otu akara mmanụ egbugbere ọnụ egbugbere ọnụ na akara mmanụ egbugbere ọnụ abụọ.Egbugbere ọnụ inyeaka nke mkpuchi skeleton mmanụ okpukpu abụọ na-arụ ọrụ na-ekpuchi uzuzu iji gbochie uzuzu dị n'èzí na adịghị ọcha ịbanye n'ime igwe.Dị ka skeleton ụdị, ọ nwere ike kewaa n'ime skeleton mmanụ akara, kpughere skeleton mmanụ akara na agbakọta mmanụ akara.Dị ka ọnọdụ ọrụ si dị, enwere ike kewaa ya n'ime akara mmanụ skeleton rotary na akara mmanụ na-emegharị skeleton.Maka mmanụ ụgbọala crankshafts, mmanụ dizel engine crankshafts, gearboxes, differentials, shock absorbers, engines, axles na akụkụ ndị ọzọ.