Nkọwa nkenke:

 Isi ụkpụrụ

Zno ọkụ bụ otu ụdị okwu kachasị dị elu karịa onye na-echekwa ihe nchebe atpresont.duo na isi ihe ya nke iguzogide na-etinye Zno na ọla edo ndị ọzọ iji mee ot.comparing na tradilional carborundum arester, Itimproves ukwuuV-Acharacteristicsof re sistance, na-eme ka ikike nke nnweta nke nguzogide, si otú a ọ na-eweta isi mgbanwe na atụmatụ nke rrester.
N'okpuru ezigbo ọrụ vllag.the crrentpassing arester onlyuAcasstneheberngooroat.hesellentnon-linearV-Afeatures nke arester ga-eme ka ffeclthe ugbu a na-agafe onye na-eme ihe ọjọọ na-abawanye ruo ọtụtụ pukuAmpere ngwa ngwa rresterls n'okpuru gafere site na steeti.to wepu ike gabigara oke. n'ihi na vollage karịrị