Igwe eji eriri igwe eji arụ ọrụ abụọ na-ejikarị eriri galvanized waya ma ọ bụ igwe mkpuchi mkpuchi PVC dị ka akụrụngwa iji mee wires mara mma, nke a na-eji na nchekwa ndị agha, okporo ụzọ, okporo ụzọ ụgbọ oloko, ọrụ ugbo na ebe a na-azụ anụ ụlọ dị ka nchekwa na mgbochi iche.
Ngwọta dị n'elu: waya galvanized elektrọn, waya galvanized na-ekpo ọkụ, waya mkpuchi pvc.