Kodi IK Rating ya Magetsi a LED Ndi Chiyani? Kodi IP Rating?
Nthawi zambiri, pogula nyali za LED, nthawi zambiri mumapeza kuti IK Rating imalembedwa pazigawo za nyali zina. Anthu ambiri sadziwa kuti IK Rating ndi chiyani. Chifukwa chake lero Green tech Lighting ilankhula ...