Ngwa
Igwe mkpuchi igbe draịva aka ekpe na aka nri na-eji akụkụ abụọ nke eriri ahụ. Ọ na-eji teepu ozugbo eme ihe, mkpuchi elu na ala, ngwa ngwa, kwụsie ike, mmetụta mkpuchi ahụ dịkwa nro, ọkọlọtọ ma mara mma. Enwere ike ịhazi ya aka dịka nkọwapụta katọn, obosara na ịdị elu si dị. Ọ dị mfe ma dịkwa mma, nwere ike dochie ọrụ, chekwaa 5-10% nke ihe oriri, bụ nhọrọ kacha mma maka ụlọ ọrụ iji chekwaa ọnụ ahịa, melite arụmọrụ mmepụta, ma nweta nhazi nkwakọ ngwaahịa. A na-eji igwe mkpuchi ahụ eme ihe nke ukwuu na nri, ọgwụ, ihe egwuregwu, ụtaba, kemịkalụ kwa ụbọchị, eletrọniki na
ụlọ ọrụ ndị ọzọ.