الطاقة ، منعطف أو دور ، كمثرى ، ثورة الطاقة ، المصباح الكهربائي ، شمس ، طاقة شمسية ، ضوء ، التخلص التدريجي النووي ، الأصفر ، الطلب على الكهرباء
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