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Mmagide esemokwu okpukpu abụọ dị mma
mposition:Eriri mkwado ihe owuwu, waya nke etiti, waya dị n'èzí, mgbanaka agbakwunyere, efere nkwonkwo triangular, ngwa njikọ (mgbanaka nke nwere ụdị U, efere mgbanwe), ihe nrụzi, wdg.
Ebumnuche:Inwe esemokwu zuru oke.Jikọọ eriri anya ihe mejupụtara waya ala na ọdụ, eriri na-eguzogide ma ọ bụ ụlọ elu njikọ eriri anya.
Ndewo, bịa lelee ngwaahịa anyị!