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A group of 4 energy efficient light bulbs, illuminated.
Keywords:
creativity
concepts
electricity
no people
natural phenomenon
efficiency
illuminated
fuel and power generation
power supply
glowing
filament
ideas
spiral
electric lamp
invention
environmental conservation
intelligence
fluorescent light
energy efficient
lighting equipment
equipment
environment
imagination
innovation
bright
inspiration
technology
shiny
solution
electric light
light bulb
light
natural light
electric light
fluorescent light
energy bulb
fluorescent lights
people light
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