blue
cable
clouds
danger
distribution
dongji
electric
electric pole
electrical
electricity
energy
engineering
environment
equipment
generation
grid
high
high volt
industrial
industry
island
line
metal
mountain
nature
ocean
pole
power
pylon
sea
sky
station
steel
structure
supply
tall
technology
telecommunication
telephone
tower
transmission
utility
volt
voltage
water
watt
wire