Ọnụ ụzọ ọkụ ígwè nwere ike dị elu, mmetụta mgbochi ọkụ dị mma. Ọtụtụ uru nke ọnụ ụzọ ọkụ ígwè na-eme ka ha na-etinye nnukwu òkè n’ahịa n’ime ụlọ ọha. Ihe mkpuchi ọkụ na-ejupụta n’ime ọnụ ụzọ ahụ bụ enyi na gburugburu ebe obibi na enweghị mmetọ. Usoro ọgwụgwọ elu nke ọnụ ụzọ bụ ntụ ntụ ntụ ma ọ bụ ihe mkpuchi ihe nkiri PVC, nke bụ teknụzụ nchebe gburugburu ebe obibi tozuru okè.

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