blue

money

sky

equipment

nature

transportation

oil

energy

natural

black

power

supply

dark

industry

structure

tower

night

fuel

jack

shipping

Diesel

gasoline

pipe

gas

pipeline

loading

well

exploration

pump

petroleum

transporting

crude

tanker

rig

pumpjack

oilwell

barrels

offshore

oilrig

Nautical Vessel

mode of transport

freight transportation

Industrial Ship