twist light bulb on white background
Palabras clave
alternative,
background,
bright,
bulb,
clear,
compact,
conservation,
critical,
currency,
detail,
eco,
ecology,
economic,
economical,
efficiency,
electric,
electrical,
electricity,
energy,
environment,
equipment,
flourescent,
fluorescent,
glasses,
hand,
idea,
illuminated,
illumination,
innovation,
invention,
kilowatt,
lamp,
light,
light bulb,
aglow,
modern,
object,
polarity,
power,
powerful,
save,
saver,
spiral,
technology,
thinks,
tornado,
twirling,
utility,
watt,
white
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