business
chemical
chemistry
chimney
column
compartment
container
crude
cylinder
distribution
energy
engineer
engineering
environment
equipment
factory
flammable
fossil
fossil energy
fuel
gas
gasoline
industrial
industry
liquid
metal
nobody
oil
petrochemical
petroleum
pipe
pipeline
pipework
plant
pollution
power
processing
production
refinery
refining
station
steam cracking
steel
storage
structure
technology
terminal
tower
transportation
warehouse