M'zaka zaposachedwa, ndi kupita patsogolo kofulumira kwaukadaulo waukadaulo wa LED, kugwiritsa ntchito ma LED kwakhala okhwima kwambiri.Zogulitsa za LED zimadziwika kuti "green light sources" chifukwa cha kukula kwake kochepa, kugwiritsa ntchito mphamvu zochepa, moyo wautali wautumiki, kuwala kwakukulu, kuteteza chilengedwe ...
Werengani zambiri