Kusamala kugwiritsa ntchito fiber optics
Fiber optics ikukhudza miyoyo yathu pa liwiro lodabwitsa, kuchokera ku maukonde olankhulana, ma TV pa intaneti, kuchokera ku masewera a pa intaneti kupita ku ma TV apamwamba, kuchokera ku mafoni a 4G kupita ku kuyang'anira ...
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