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Season 1 Episode 17 : Sources et conservation d'énergie

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2016-05-05 09:26:21

Cette émission traite d’un sujet d’actualité : la conservation de l’énergie. Puisque les sources d’énergie fossiles n’existent qu’en quantités limitées, il est important de les utiliser avec sagesse. Il existe de nombreux moyens fort simples d’économiser l’énergie.

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Season 1

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