I-1.izinto eziphathekayo zihluke, intambo ye-PVC yenziwe ngekhebula elilodwa okanye i-copper conductive copper, umphezulu uhlanganiswe ngumaleko we-insulator, ukukhusela ukudibanisa nomqhubi. I-conductor yangaphakathi yahlulahlulwe yaba ziindidi ezimbini zobhedu olungenanto kunye nekopolo enkonkxiweyo ngokwemigangatho eqhelekileyo...
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