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 : bar bulb certificate chart class classify compare composition concept conservation consumption conventional cost diagram ecology economic economical economy efficiency electric electricity energy europe fluorescent graph green idea invoice label lamp led level light lightbulb new performance power rate rating red regulation save technological technology utility various watt white yellow |
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| Energy efficiency concept with energy rating chart and LED lamp |
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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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