Mgbe afọ ole na ole gara aga, nzukọ anyị na-etinye teknụzụ ọhụụ ma na-agbadata ma ha abụọ n'otu ụlọ na mba ọzọ. Ka ọ dị ugbu a, ndị ọkachamara nzukọ anyị, otu ndị ọkachamara na-enye onyinye maka ọganihu nke groughtional up,Sistemu mmanu, Atd 5217 mmanu mmanu, Lubrication grade,Nrụgide glue. Ọ bụrụ na ị na-achọ ezigbo mma, nnyefe ngwa ngwa, kachasị mma mgbe ọrụ na ezigbo onye na-eweta ya na China ogologo oge - Mmekọrịta azụmahịa, anyị ga-abụ nhọrọ kachasị mma gị. Ngwaahịa ahụ ga-enyefe ụwa niile, America, Australia, South Africa, Frankfurt, Masedonia, a nwalere usoro ngwọta anyị ma meriri ma merie usoro ngwọta anyị. Maka paramita ndị ọzọ na nkọwapụta ndepụta ihe, biko pịa bọtịnụ iji nweta mgbakwunye nhota ọzọ.