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Two figures, one fitting draft strip to a door-frame, the other unrolling loft insulation. with a wind turbine in the background. Originally drawn to depict taking action to reduce wasteful CO2 production 涡轮 风力发电机组 绝缘 减少 CO2
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Side view of a REPower 5M wind turbine (original image source: Wikimedia.org). The basic wind turbine components are overlayed as system blocks. 风力发电机组 携带婴儿床 横轴 风涡轮发动机短舱切视图
green cartoon power energy generation safe wind turbine positive good environmental turbines Energy Positive Wind Turbine Green clip art 能源 积极 风 能源积极风力涡轮绿色剪贴画