architecture
attributes
boiler
building
burner
burning
business
chemical
chimney
cooling
corporation
cracking
distribute
electric
electricity
employment
energy
engineer
environment
equipment
europe
exchanger
factory
fumes
furnace
generator
heat
industrial
industry
manufacture
manufacturing
manufactury
metal
modern
pipe
pipeline
pipes
plant
polluting
power
process
producing
production
pump
quality
refinery
resource
stack
steam
steel
tank
tanks
tower
tubes
work