I-1.izinto ezibonakalayo zihlukile, ikhebula le-PVC lakhiwa ikhebula le-copper conductive elilodwa noma amaningi, indawo engaphezulu ihlanganiswe ungqimba lwe-insulator, ukuvimbela ukuthintana nomqhubi. I-conductor yangaphakathi ihlukaniswe yaba izinhlobo ezimbili zethusi elingenalutho kanye nethusi elithayela ngokwezinga elijwayelekile...
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