Yiri na-eguzogide ígwè na elu eyi iguzogide na ezi mmetụta arụmọrụ, ike nke ịcha, ekwe, ịgbado ọkụ, wdg, nwere ike iwere ịgbado ọkụ, nkwụnye ịgbado ọkụ, bolting na ụzọ ndị ọzọ jikọọ na ndị ọzọ owuwu, na n'ógbè mgbe na N'ezie nke. ebe nrụzi ahụ , dị mma, nke a na-ejikarị eme ihe na metallurgy, coal, ciment, ọkụ eletrik, iko, Ngwuputa, ihe owuwu ụlọ, brik na ụlọ ọrụ ndị ọzọ, ma e jiri ya tụnyere ihe ndị ọzọ.