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Technicians are installing and inspecting standards of solar panels on roof of an industrial factory. Electrical energy obtained from nature sunlight clean renewable energy.
House energy efficiency, energy efficient rating class concept, eco home renovation save cost. Low-consumption ecological house. Green Building for Sustainable Development Concept
Energy efficiency concept. Person using tablet with energy efficiency rating icon on virtual screen for energy efficient house building rate label audit.
Close Up Of Woman Looking At Screen Of Energy Efficiency Meter On Mobile Phone Lying On Sofa At Home
3d energy chart for concept design. 3d vector illustration. Chart concept. Vector icon.

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