An oil pump pumps crude oil in the steppes of Kazakhstan near the city of Aktau.
Schlüsselwörter
barrel,
california,
carbon monoxide,
central,
climate change,
consumption,
crude,
crude oil,
derrick,
diesel,
drill,
drilling rig,
energy,
energy saving,
environment,
equipment,
field,
fuel,
gasoline,
global warming
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