Kohle, Kohleabbau, Bergwerk, Tagebau, NRW, Schaufelbagger
Palabras clave
oil,
industry,
industrial,
pump,
mining,
heaven,
construction,
coal,
machine,
force,
good,
energy,
water,
gas,
mine,
crane,
gasoline,
field,
conveyer,
rig,
oil,
drill,
aged,
power shovel
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