Okwu mmeghe emeghe bit ahaziri ahazi
Ịkpụ akpụ bụ usoro ígwè nke a na-etinye billet ma ọ bụ ingot ígwè ekpo ọkụ n'ime ebe a na-akpụ akpụ wee kụchie ya, pịa ma ọ bụ pịpịa ya nke ọma iji mee ka ọ bụrụ ụdị a chọrọ. Forging nwere ike iwepụta akụkụ ndị siri ike yana okpukpu abụọ karịa nke usoro ndị ọzọ mere dịka nkedo ma ọ bụ igwe.
Akụkụ adịgboroja bụ akụkụ ma ọ bụ akụkụ a na-emepụta site n'usoro ugha. Enwere ike ịhụ akụkụ ndị na-agbapụta ihe n'ọtụtụ ụlọ ọrụ gụnyere ikuku ikuku, ụgbọ ala, ihe owuwu, nrụpụta na nchekwa. Ọmụmatụ nke akụkụ adịgboroja gụnyere ngwo. Crankshafts, mkpanaka njikọ. Na-ebu shells, bit sub na axles.