Imigqa emine yokuvikela umbani yezintambo zikagesi:
I-1, ukuvikela (ukuvimbela): induku yombani, induku yombani, sebenzisa ikhebula nezinye izinyathelo, hhayi nxazonke zesiteleka hhayi ukushaya ngokuqondile ucingo;
2, i-flashover ye-insulator (ukuvinjwa): qinisa ukufakwa kwe-insulator, uthu...
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