chimney
cogeneration
discharge
duct
ecology
electric
electrical
electricity
emission
energy
environment
europe
factory
heat
heater
horizon
impassability
impassable
industrial
industry
kiev
kyiv
landmark
landscape
mud
outlook
pipe
plant
pollute
pollution
pool
power
production
puddle
reflected
reflection
sky
smoke
stack
station
steam
technology
thermal
tower
tube
ukraine
urban
view
warming
water cooling