background
blue
cable
conductor
construction
current
danger
dielectric
distribution
electric
electrical
electricity
energy
environment
equipment
framework
grid
high
industrial
industry
line
main
megawatt
metal
pillar
plant
pole
pollution
post
power
powerful
powerline
pylon
sky
station
steel
structure
substation
supply
system
tall
technology
tower
transformer
transmission
utility
volt
voltage
watt
wire
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