Ilekọta gburugburu ebe obibi, na-akwado ndụ obere carbon; iji usoro mmepụta ihe mmepụta ihe dị elu iji mepụta ụlọ modul dị elu; ụlọ nwere ọgụgụ isi na-arụ ọrụ nke ọma, ebe obibi dị mma, ahụike yana ntụsara ahụ. Ugbu a, ka anyị hụ ngwa nke modular hou...
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