Two modern energy saving light bulbs
Schlüsselwörter
light bulb,
bulb,
lamp,
fluorescent,
economical,
alternative,
bright,
brightly,
compact,
electric,
electricity,
energy,
isolated,
light,
low,
save,
savings,
shiny,
watt,
white,
background,
conservation,
environmental,
equipment,
glasses,
luminance,
power,
utility,
consumption,
cost,
efficiency,
efficient
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