abstract
background
blue
cable
cloud
connection
construction
current
danger
distribution
electric
electrical
electricity
energy
engineering
environment
equipment
forest
frame
generator
grid
high
highvoltage
industrial
industry
insulator
line
metal
network
overhead
pole
power
pylon
road
sky
station
steel
structure
supply
support
technology
tower
transformer
transmission
tree
utilities
volt
voltage
white
wire