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Engineer pointing to light bulb with energy efficiency labeling, which the residential home energy efficiency rating and customers decision to buy as value. Green building label CO2 emission reduce
Solar panels and wind turbine against blue sky
EU domestic appliances energetic class vector illustration - European Union energy label editable pictogram
Shot of pretty young woman using the home automation system on digital tablet to regulate the temperature.
Beautiful caucasian woman in white helmet working with digital tablet at renewable energy farm. Female inspector controlling functioning of wind turbines outdoors.

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