base

oilfield

petrochemical

petrol

petroleum

pipeline

piping

plant

power

processing

production

pumping

raw

refinery

resources

station

storage

structure

tank

technical

technology

toxic

oil

mining

mineral

materials

biofuel

building

conduit

construction

contemporary

crude

duct

energy

equipment

extraction

valve

factory

fossil

fuel

gas

gasoline

heavy

industrial

industry

infrastructure

line

manufacturing

field

well

night