燃やす
blue
building
cable
chemical
chimney
coal
communication
connection
construction
danger
distribution
dusk
electric
electrical
electricity
energy
engineering
environment
environmental
equipment
frame
fuel
gas
generation
generator
grid
high
industrial
industry
infrastructure
line
lines
metal
network
plant
pole
pollution
power
pylon
sky
station
steel
structure
supply
technology
tower
transmission
voltage
wire