Nkanelo Ku pfaleriwa ka rhaba i xiphemu xa nkoka xa tisisiteme ta gezi, lexi tlangaka xiave xa nkoka eku siveleleni ka ku tshoveka ka gezi, ku short circuit, na makhombo man’wana. Yi tirhisiwa ku funengeta no sirhelela tintambhu ta gezi, tikhebulu, na switirhisiwa eka ndzhongho, ku hisa, na swin’wana swa mbango tha