argentina
argentinian
chemical
chemistry
chimney
clean
distillery
dusk
energy
engineering
environment
equipment
evening
factory
fossil
fuel
gas
gasoline
illuminated
industrial
industry
latin america
latin american
metal
natural
neuquen
oil
petrochemical
pipe
plant
pollution
power
production
pump
refine
refinery
south america
south american
station
steel
sunlight
supply
technology