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Young teacher with model of wind turbine learning pupils about wind energy.
Wind turbines in a flowering canola field seen in Germany
Engineers windmill team wearing uniform and helmet walking survey work in wind farms after inspection and maintenance of wind turbine to generate electrical energy, Renewable energy.
Young maintenance engineer team working in wind turbine farm at sunset
Wind energy concept - wind turbine with lightbulb with leaf inside, line style, vector eps10 illustration

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