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Energy saving and simple light bulbs.Green background vector illustration template design
Wind turbines farm at sunset
business concept: quality, speed, efficiency and cost hand drawing on blackboard
Team of business people join gearwheels. High angle, overhead view of circle of hands holding cogs on office table. Metaphor for good effective business system, cooperation, teamwork and efficiency
Electric battery charge concept, auto accumulator icon, energy efficiency. Flat design vector illustration. Electricity graphic elements

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