blue
cable
cabling
caution
construction
disaster
distribution
ecologically
electric
electrical
electricity
energy
engine
engineer
environment
frame
generator
high
industrial
industry
infrastructure
line
mast
metal
network
oil
orange
plant
pole
pollution
power
powerful
pylon
silhouette
sky
station
steel
structure
supply
technology
tower
transformer
transmission
transmit
union
volt
voltage
watt
wire
wiring