1. Ejiri ígwè dị elu nke carbon carbon na-acha ọcha na-acha ọcha, nke nwere ihe dị arọ nke 1.2mm, ike dị elu na ibu ibu. 2. 5 ọkwa nke mgbanwe elu. 3. A na-agbatị ogwe aka ma nwee ike ịtụgharị. 4. Nhazi akpa nchekwa, kewara n'ime obere akpa abụọ maka iko na ekwentị mkpanaaka, na otu nnukwu akpa maka akwụkwọ.
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