tinotwasanudza nekunanzva waya yedu yakanaka. Waya iyi inoshandiswa semuenzaniso semafilaments mumarambi ehalogen. tambo dzedu dzetungsten dzave dzichibudisa chiedza mumarambi e-incandescent kubvira 1990. Uye nhasi, simbi dzedu dzinoramba dzichiri kujekesa nzira. Semuenzaniso, mune mwenje wehalogen, mwenje wakanyanya wekuburitsa kana ma LED.