Ke hobane'ng ha u khetha mabone a LED seterateng? Litšobotsi le melemo ea eona ke life?
Litšobotsi le melemo ea mabone a LED seterateng ke afe? Mabone a LED a 'nile a hlokomeloa ke batho ba bangata,' me ho na le lihlahisoa tse ntseng li eketseha 'marakeng. Tšebeliso e mengata ea LED e kenyelletsa li-LED, ebang ke lebone kapa skrine. Hona joale naha e boetse e buella ho boloka matla. Kahoo, lumella LED ...