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Gabatarwa: Hasken haske na waje sanye take da masu kula da photocell suna ba da ƙwarewar haske mafi dacewa da inganci.Duk da haka, lokacin da waɗannan kayan aiki suka kasa yin aiki yadda ya kamata, za a iya samun dalilai daban-daban a baya.Kamar Lamp Malfunction, Aging Cables da Connections batun, Tsangwama...
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