Tinotwasanudza uye tinonamira waya yedu yakapfava. Waya iyi inoshandiswa semuenzaniso semafilamenti mumarambi ehalogen. Waya dzedu dzetungsten dzave dzichiburitsa chiedza mumarambi eincandescent kubvira muna 1990. Uye nhasi, simbi dzedu dzinoramba dzichiri kuvheneka. Semuenzaniso, mumarambi ehalogen, marambi ekuburitsa magetsi ane simba rakawanda kana maLED.