"Clipart image of an energy efficient light bulb."

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an energy efficient light bulb
bulb
bulbs
electricity
energy
energy efficient
glass bulb
glass bulbs
going green
good idea
good ideas
hardware
home electricity
household
household item
idea
ideas
light
light bulb
light bulbs
lightbulb
lightbulbs
lighting
lights
object
objects
power
thing
things