aerial
air
atmosphere
belching
blue
buildings
cable
carbon
chimney
close
closeup
column
conductor
crane
detailed
ecology
electricity
energy
factory
fume
gas
heat
high
huge
industrial
industry
lead
line
manufacturing
mast
pipe
pipes
plant
pollution
power
pylon
red
sharp
sky
smoke
stack
station
steam
stripes
supply
thick
tower
traditional
trees
tube
vertical
white
wires