Light bulb on hand
Palabras clave
bulb,
efficiency,
electric,
electricity,
energy,
environment,
european,
expensive,
finger,
glasses,
hand,
human,
idea,
invention,
isolated,
lamp,
light,
light bulb,
1,
palm,
power,
save,
smart,
solution,
solve,
spiral,
technology,
thinks,
watt,
white,
background