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Copper-Clad Aluminum Wire (CCA) is a conductive wire consisting of an aluminum core covered with a thin layer of copper, also known as CCA wire. It combines the lightness and cheapness of aluminum with the good conductive properties of copper. Yn y maes sain, defnyddir occwire yn aml mewn ceblau sain a cheblau siaradwr oherwydd gall ddarparu perfformiad trosglwyddo sain da ac mae'n gymharol ysgafn ac yn addas ar gyfer trosglwyddo pellter hir. This makes it a common conductive material in audio equipment.
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