A na-eji waya igwe eji igwe pụrụiche kpara ntupu hexagonal nwere nnukwu eriri hexagonal.Ụdị ụgbụ a, mgbe e gbuchara ya, enwere ike ịme mgbakọ ka ọ bụrụ ụgbụ ngere, ụgbụ a na-ekekọta ugwu, ahịhịa ahịhịa, netwọk akụkụ atọ, nchikota na ihe ndị ọzọ.Utu aha: ntupu gabion, ntupu hexagon dị arọ, gburugburu ebe obibi ...
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