Light bulb in hand businessman
Palabras clave
blue,
bulb,
business,
efficiency,
electric,
electricity,
energy,
environment,
expensive,
finger,
glasses,
hand,
human,
idea,
invention,
lamp,
light,
man,
1,
palm,
power,
save,
science,
smart,
solution,
solve,
spiral,
technology,
thinks,
watt,
white
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