Ngwọta injinịa anyị bụ iji dozie nsogbu ndị injinia gị na-ebutekarị. Gụnyere ogbunigwe, ihe owuwu, olulu mmiri, wdg. Nnukwu okpomọkụ na-eguzogide, ọ bụghị egwu nke oke ihu igwe.