Beam balanced pumping unit under the setting sun
Palabras clave
machinery,
equipment,
facility,
tool,
pump,
metal,
steel,
drilling,
mining,
development,
construction,
reserve,
derrick,
solid,
oil,
energy,
industrial,
manufacturing,
chemical,
petrochemical,
sky,
technology,
economy,
business,
nostalgia,
traditional,
operation,
production,
closeup,
open,
sun,
evening,
light,
china,
silhouette
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