Drilling derrick in MaCheng iron mine, China
Schlüsselwörter
iron ore,
drilling,
rig,
frame,
metal,
machinery,
equipment,
facility,
exploration,
industry,
mining,
geology,
development,
manufacturing,
commerce,
energy,
engineering,
technology,
construction,
china,
oil,
crude oil,
natural gas,
coal,
solid,
platform
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