blue
cable
conjoin
connect
connection
construction
danger
dangle
detail
distribution
electric
electrical
electricity
electrification
electrified
energy
fot tomasz koryl
high
industry
infrastructure
iron
line
metal
network
outdoor
overhead
pole
power
pylon
rail
railroad
railway
railway electrification system
row
sky
steel
supply
suspend
switch
system
technology
tower
track
traction
transport
transportation
trolley
utility
volt
voltage
wire
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