उर्जा कार्यक्षमताय
उजाला कार्यावळ हो विशय सगल्यां खातीर परवडपा सारख्या एलईडी बल्बां वरवीं उन्नत ज्योती - उजाला कार्यावळ जी घरगुती कार्यक्षम उजवाड कार्यवळ आसा, ताची म्हायती दिता..
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