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Worker in the background installing new, three pane wooden windows in an old wooden house, with a new window in the foreground. Home renovation, sustainable living, energy efficiency concept.
Aerial view of many photovoltaic panels installed on shopping mall roof top for producing of green ecological electricity. Production of sustainable energy concept
Set of vector line icon, power and energy, classic blue. Contain such as energy efficiency, power station, electricity. Editable Stroke. Simple set icons for website, banner, ui and presentation.
Hand sketching on an energy efficiency project
Energy efficiency concept. Different icons on green background

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