Kupambana kwa LED Street Light
Kupambana kwa LED Street LightNdikukhulupirira kuti anthu ambiri amakhala ndi chidziwitso akakwera ndege: usiku wopanda kanthu, akuyang'ana pawindo la ndege yonyamula anthu, mizinda yambiri yomwe ili pansi pa ndondomekoyi.
Onani zambiri