Saving energy concept: Human hand turning down electrical light dimmer switch or conditioner heat controller
Schlüsselwörter
dimmer,
light,
hand,
turning,
electrical,
thermostat,
dial,
heat,
temperature,
cold,
system,
technology,
domestic,
appliance,
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off,
switch,
electric,
control,
equipment,
house,
power,
wall,
electricity,
indoor,
toggle,
conservation,
interior,
residential,
turn,
room,
design,
consumption,
device,
human,
save,
closeup,
ecology,
adjusting,
people,
heating,
savings,
arm,
economy,
electronic,
industry,
programming,
season
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