Mkpọchi mkpọchi taper a bụ ezigbo mma dị ka ọkọlọtọ Europe, ngwaahịa na-adịgide adịgide na nke a pụrụ ịdabere na ya nke arụpụtara ya nke ọma. Ihe bụ GG25 ma ọ bụ ígwè C45. Phosphating na blackening ọgwụgwọ n'elu.A na-eji ha n'ọtụtụ ngwa ngwa gụnyere; eriri eriri, sprockets, drum pulleys, drive pulleys, ọdụ ọdụ, ùkwù, na gia, bụ ihe ndị anyị na-enyekwa! Na mgbakwunye, ịhịa aka n'ahụ nke nwere oghere na-agbanwe agbanwe nwere nnukwu igodo ụzọ dabara adaba dayameta osisi dị iche iche. Maka ozi ndị ọzọ na taper lock bushings, biko kpọtụrụ anyị na anyị ga-enwe obi ụtọ inyere gị aka.