Akpa owu ntupu nke enwere ike ijikwa ya ọzọ, akpa ụgbụ a na-azụ ahịa nwere eriri maka akwụkwọ nri ngwugwu nri mkpụrụ osisi.
1. Anyị owu ntupu akpa bụ gburugburu-enyi na enyi.Akpa nkwakọ ngwaahịa ahịa ndị a nwere ike dochie akpa akwụkwọ gị na akpa rọba maka ịzụ ahịa ọ bụla.Akpa ịzụ ahịa ndị a na-emegharịghachi bụ ihe okike na kemịkal;
2. Akpa ịzụ ahịa ntupu owu anyị dị arọ ma na-atụgharị.Enwere ike itinye ntupu ntupu ndị a n'ụzọ dị mfe n'akpa gị, obere akpa ma ọ bụ igbe uwe gị.
Dee ozi gị ebe a ziga anyị ya