Sistemu eji akpaghị aka

  • Sistemu eji akpaghị aka

    Sistemu eji akpaghị aka

    Ihe a na-eme na nhazi nri bụ ịkwaga na obere arịa na-egbu egbu na-aga nnukwu shells iji melite arụmọrụ na nchekwa ngwaahịa. Enweghi ike ijikwa nkata ndị buru ibu. Nkata buru ibu buru ibu ma buru oke ibu maka otu onye gawa.