Saving energy concept: Human hand turning down electrical light dimmer switch
Schlüsselwörter
electricity,
wall,
home,
switch,
light,
house,
control,
equipment,
technology,
design,
power,
energy,
electrical,
off,
electric,
dimmer,
white,
interior,
device,
turn,
hand,
toggle,
turning,
room,
texture,
indoor,
isolated,
adjusting,
dial,
modern,
human,
symbol,
appliance,
background,
object,
buttons,
thermostat,
domestic,
ecology,
savings,
temperature,
icon,
closeup,
conservation,
residential,
system,
concept,
economy,
programming
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