Ezweni lanamuhla, ugesi uyingxenye ebalulekile yokuphila kwethu kwansuku zonke. Kusukela ekunikezeni amandla ezindlini zethu kuye ekusebenzeni kwemishini yezimboni, ugesi ubalulekile cishe kuzo zonke izici zempilo yethu. Nokho, ugesi esiwuthola kugridi usesimweni se-alternating current (AC), okuthi...
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