Ngwaahịa

Ezubere ikpo mpempe akwụkwọ igwe maka ịnye ọrụ. Mpempe mpempe akwụkwọ na-ekpo ọkụ na-ekpo ọkụ maka idowe, cofferdam, njikwa mmiri, na ọrụ nkwado nke igwu ala, nwere akụkụ siri ike na ogologo nhazi.