Ụkpụrụ ọrụ:A na-emetụta ihe ndị ahụ site na ịma jijiji ugboro ugboro na ụlọ igwe igwe. A na-enye ike na-emetụta ike siri ike site na igwe igwe igwe (bọọlụ, mkpanaka, forge, wdg), a ga-egweri ihe n'okpuru esemokwu, nkukota, ịkwa osisi na ike ndị ọzọ.