Energy usage.

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Size: 3209px × 5563px
Photo credit: © MARK SYKES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: background, black, bulb, burning, consumption, cooking, electrical, electricity, energy, environmental, filament, flame, gas, heat, hob, lamp, light, lightbulb, science, technological, technology, usage