banner
blue
business and economy
cable
cabling
caution
construction
danger
disaster
distribution
electric
electrical
electricity
energy
engineering
environment
equipment
field
green
grid
hazard
high
industrial
industry
insulation
line
metal
nobody
overhead power line
overhead power lines
plant
pole
post
power
power line pylon
pylon
pylons
sky
station
steel
structure
supply
switch
system
technology
tower
transmission
voltage
wide
wire
定額
High voltage power lines pylons and electrical cables on a clear blue sky background. Modern infrastructure of high voltage transmission lines.の素材 [FY310207307040]
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