hand holding glowing light bulb with colorful energy efficiency rating chart concept power saving idea |
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| navigate by keyword : alternative appliance brainstorming bulb certificate chart class color colourful colours concepts consumption cost creativity diagram ecological efficiency efficient electricity energy glowing graph holding home ideas industry innovation inspiration invention label light man person power rainbow rating reduce renewable save saving scale science signs solution sustainability system vertical |
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| Close up of hand holding glowing light bulb with energy efficiency rating chart from A to G. Concept of renewable energy, sustainability, electricity saving, eco friendly solution, green power, and innovation |
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