A na-eji usoro mkpuchi ụlọ akwụkwọ ndụ akwụkwọ ndụ bụ isi nke shading inexternal na sistemu mkpuchi okpomọkụ, nke na-eji ihe ndo iji gbochie ìhè anyanwụ na-adịghị mkpa, ma ọ bụ mepụta oghere mechiri emechi site na iji ihe mkpuchi ọkụ.
Kpọtụrụ anyị taa maka ndụmọdụ imewe.