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5: 6: 7: Energy Efficiency and Conservation Practices for Sustainable Development ···· ···· csvAffilinator🇷🇺 Quelle Edition ···· aufgenommen: 15.06.2023 · 00:02:38 ···· & überprüft: 26.07.2023 · 02:41:41 : Energy : Efficiency : Conservation : Practices : Sustainable : Development :