A na-eji mgbachi nkwusioru dozie waya na eriri insulator ma ọ bụ kwụgidere waya nchebe ọkụ.
N'elu okporo osisi kwụ ọtọ, a pụkwara iji ya kwado ndị na-eduzi transposition na ntughari ntugharị na okporo osisi transposition.
Idozi jumper nke ụlọ elu nkuku.
Mwekota na ndị na-eche nche bụ ígwè a na-apụghị ịgbagha agbagha, ntụtụ-ntụtụ bụ igwe anaghị agba nchara, akụkụ ndị ọzọ bụ ígwè.Akụkụ ferrous niile bụ galvanized na-ekpo ọkụ.