background
cable
chart
closeup
concept
connection
conservation
cord
creative
design
eco
ecology
efficiency
electric
electrical
electricity
energy
energy saving
environment
finger
hand
home
house
human
light
off
outlet
paper
people
plug
plug in
power
rating
reduce
save
save money
savings
sign
socket
supply
switch
symbol
technology
tree
unplug
unplugging
volts
wall
white
world
定額
Hand of Electrical Appliances He was pulling the plug. Out of the plug. In his office during work hours. Energy Saving Concepts and Technologiesの素材 [FY310204850272]
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