Mwube na Njirimara
♦ Na-enye nchebe megide mmebi nke ụwa ugbu a, obere okirikiri na ibufe ikike obere okirikiri dị elu na-enye nchebe nkwado megide kọntaktị kpọmkwem site na ahụ mmadụ.
♦ Na-echebe nke ọma ngwa eletrik megide ọdịda mkpuchi mkpuchi mkpuchi ọnọdụ kọntaktị na-enye nchebe megide oke voltaji na-enye nchebe zuru oke na usoro nkesa ụlọ na nke azụmahịa.