N'agbanyegh? na o yiri ka ? b? "obere ak?r?ngwa" na mmep?ta ?l? ?r?, Ihe mkpuchi ak?r?ngwa mkpuchi b? n'ezie "ihe d? mkpa" met?tara nchekwa ike, mbelata oriri, mmep?ta nchekwa na ?d? mma ngwaah?a. ? b?gh? naan? na ha na-enyere ?l? ?r? aka belata ?gw? ?r? na ibelata ihe egwu nchekwa mana ha na-at?nyekwa aka n'inweta mmepe akw?kw? nd? akw?kw? nd? na obere carbon na mpaghara ?l? ?r? mmep?ta ihe. N'?megide ndabere nke mgbanwe na nkwalite ?l? ?r? d? ugbu a, ?h?r? mkpuchi mkpuchi ak?r?ngwa d? mma na nke dabara adaba agh?wo ihe d? mkpa maka ?l? ?r? iji kwalite as?mpi ha b? isi. N'?d?nihu, na nkà na ?z? ?h?r? na-aga n'ihu na mgbasawanye nke ngwa ngwa ngwa, mkpuchi mkpuchi ngwá ?r? ga-ar? ?r? ?b?na kar? na mmep?ta mmep?ta ihe, na-enye nkwado siri ike maka mmepe d? elu nke ?l? ?r? d? iche iche.