air
bratislava
chemical
chemistry
chimney
co2
company
crude
dioxide
dioxin
distill
distillation
distillery
energy
engineering
environment
environmental
environmental burden
europe
factory
fuel
gas
gasoline
global
industrial
industry
kyoto
light
night
oil
petrochemical
petrol
petroleum
pipe
plant
pollution
power
production
refined
refiners
refinery
sky
slovakia
smoke
station
steel
technology
tower
warming
working
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