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Isingeniso: Ama-insulators we-Porcelain adlala indima ebalulekile embonini yamandla, ikakhulukazi emkhakheni wensimbi, amaminerali, namandla. Le ndatshana ihlose ukuhlinzeka ngochwepheshe kule mboni ngolwazi olubalulekile mayelana nezinhlobo ze-porcelain, kufaka phakathi izici zabo, izinhlelo zokusebenza, nezinzuzo. 1. Iyini ama - Porcelain Insulators? Izinhlobo ze-porcelain ziyi-devi yokuvikela ugesi.