Inkqubo yemveliso yokunqunyanyiswa kwesixhobo sokwenza i-porcelain insulator ibandakanya le misebenzi ilandelayo yokuvelisa:
Ukugaya → Ukwenza udongwe → Ukugaqa → Ukubumba →Ukomisa → Ukuqhwaba → Ukutshisa → Uvavanyo → Imveliso yokugqibela
Ixesha lokuposa: May-30-2022