business
chemical
chimney
clouds
complex
cooling
dioxide
distill
distillery
energy
engineering
environment
environmental
estuary
factory
fuel
fumes
gas
gasoline
generating
global
heavy
industrial
industry
manufacture
manufacturing
oil
petrochemical
petrol
petroleum
pipeline
plant
pollute
pollution
power
powerhouse
powerstation
production
refine
refinery
refining
sky
smoke
smokestack
stack
steam
technology
toxic
warming
working