Ilanga noma i-LED, ungakhetha yiphi?
Izibani zasemgwaqweni zelanga nezibani ze-LED, njengezinkanyezi ezingamawele emkhakheni wokukhanyisa emadolobheni, zihlukile kodwa zihlobene eduze. Ahluke kakhulu ngokobuchwepheshe, umgomo kanye nokusetshenziswa kwawo, kodwa bobabili bazibophezele ekuhlinzekeni ngokusebenza kahle...
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