blaze

burning

chemical

chimney

complex

ecology

economy

emissions

energy

environmental

equipment

factory

fire

flame

fossil

fuel

gas

gasoline

global

hazard

heat

industrial

industry

manufacture

manufacturing

oil

petrochemical

petrol

petroleum

pipe

plant

pollution

power

processing

production

refine

refinery

refining

smoke

technology

torch

tower

toxic

vapour

warming