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196 results

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    Portrait confident engineer installing solar panels on sunny rooftop — Stock Photo
    Portrait confident engineer installing solar panels on sunny rooftop
    Engineers on dirt road at wind turbine power plant — Stock Photo
    Engineers on dirt road at wind turbine power plant
    Engineers reviewing blueprints at truck at sunny power plant — Stock Photo
    Engineers reviewing blueprints at truck at sunny power plant
    Aerial view of alpine dam and reservoir lake Kolnbreinsperre, Malta valley, Carinthia, Austria — Stock Photo
    Aerial view of alpine dam and reservoir lake Kolnbreinsperre, Malta valley, Carinthia, Austria
    Girl holding a rocket trophy — Stock Photo
    Girl holding a rocket trophy
    Engineers discussing paperwork at alternative energy power plant — Stock Photo
    Engineers discussing paperwork at alternative energy power plant
    Wind turbine energy generators on wind farm — Stock Photo
    Wind turbine energy generators on wind farm
    Children Green Science Fair event. — Stock Photo
    Children Green Science Fair event.
    Engineers installing solar panels at alternative energy power plant — Stock Photo
    Engineers installing solar panels at alternative energy power plant
    Workers watching wind turbine at power plant — Stock Photo
    Workers watching wind turbine at power plant
    Hover Dam Complex on Colorado River, Nevada, USA — Stock Photo
    Hover Dam Complex on Colorado River, Nevada, USA
    Old wooden windmill on top of structure with blue sky; Leiden, Netherlands — Stock Photo
    Old wooden windmill on top of structure with blue sky; Leiden, Netherlands
    Silhouette of a Windmill at sunrise, Klerksdorp, South Africa — Stock Photo
    Silhouette of a Windmill at sunrise, Klerksdorp, South Africa
    Boy at Green Science Fair sign — Stock Photo
    Boy at Green Science Fair sign
    Engineers using digital tablet at sunny wind turbine power plant — Stock Photo
    Engineers using digital tablet at sunny wind turbine power plant
    Row of wind turbines at sunset — Stock Photo
    Row of wind turbines at sunset