Asalin hasken fitilun siginar zirga-zirga yanzu ya kasu kashi biyu, ɗaya shine tushen hasken LED, ɗayan kuma tushen hasken gargajiya ne, wato fitilar wuta, fitilar halogen tungsten mai ƙarancin ƙarfin wuta, da sauransu, kuma tare da ƙarin fitattun fa'idodin LED. tushen haske, a hankali yake...
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