ac
alternating current
background
closeup
concept
contacts
cost
current
design
device
electric power
electrical
electrical circuit
electrical connector
electrical energy
electrical product
electricity
electrotechnical
energy saving
kilowatt
macro
many
modern
plastic
plugs
power
power socket
price
products
quality
rate
rise
rosette
safe
saving electricity
socket
sockets
tariff
voltage
定額
Many modern electrical sockets on a gray background, close-up. Rise in the price of electricity price per kilowatt, saving electricityの素材 [FY310215779546]
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