Uruhande rumwe rwiza: Umucyo wo Kongera Kugana Kwigana Vertical Flow Itara Amashanyarazi --- oak Yayoboye Sitade Yumwuzure
Imbere yimyaka yashize, LED stade inganda zumucyo burimunsi, ibicuruzwa bitandukanye bishya, ikoranabuhanga rishya kurindi. Nka LED ipakira inganda nexus, niyerekana (xuetou) irakomeza, twe
reba ibisobanuro birambuye