Inqubo yomkhiqizo we-porcelain insulator ihlanganisa imisebenzi emikhulu yokukhiqiza elandelayo:Ukugaya → Ukwenza ubumba → Ukuxubha → Ukubumba → Ukomisa → Ukucwebezela → Ukushisa → Ukuhlola → Umkhiqizo wokugcina Ukwenza udaka: ukugaya nokuhlanza izinto ezingavuthiwe njengetshe lobumba, i-feldspar, ubumba ne-aluminium ...
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