Ihe ndabere maka ịmata ọdịiche dị n'elu ma ọ bụ mgbanaka comp site na mgbanaka piston bụ na mgbanaka elu na-egbuke egbuke, na-acha ọcha, na nnukwu, na mgbanaka comp bụ ọchịchịrị, oji, na mkpa. Ya bụ, mgbanaka elu bụ ọlaọcha na-acha ọcha na mgbanaka comp bụ oji. Mgbanaka elu na-egbuke egbuke karịa mgbanaka comp, na mgbanaka elu na-egbuke egbuke. Ihe mgbanaka comp dị ntakịrị.

Mgbanaka piston ga-enwe akara, na n'ozuzu akụkụ nwere mkpụrụedemede na ọnụọgụ na-eche ihu n'elu. Mgbanaka piston bụ akụkụ bụ isi nke injin mmanụ. Ọ na-eji cylinder, piston, na mgbidi cylinder mechie gas mmanụ. Igwe mmanụ mmanụ na mmanụ dizel nwere mmanụ mmanụ dị iche iche, ya mere mgbanaka piston ejiri dịkwa iche. Ọrụ anọ nke mgbanaka piston bụ akara, njikwa mmanụ (mmanụ na-edozi mmanụ), nduzi okpomọkụ, na nduzi. Akara akara na-ezo aka na ịchichi gas iji gbochie gas dị n'ime ụlọ combustion ịbanye na crankcase iji melite arụmọrụ ọkụ. Njikwa mmanụ bụ ihichapụ ngafe mmanu mmanu na cylinder mgbidi mgbe ikpuchi mgbidi cylinder na mkpa mmanụ ihe nkiri iji hụ na mmanu mmanu. Ntugharị ọkụ bụ ntụzịaka nke okpomọkụ site na piston gaa na cylinder liner maka jụrụ oyi.