energy efficiency concept
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
energy efficiency concept |
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| navigate by keyword : appliance bulb chart class classification comparison concept conservation consumption cost diagram ecological ecology economy effective effectiveness efficiency efficient electric electricity energy environment environmental friendly green high home house idea isolated lamp level light lightbulb low luminescent norm pollution power problem protect protection rating rules save saving technology white |
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| Energy efficiency chart and low-energy lamp isolated over white background |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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