coal mining equipment. bulldozer
Palabras clave
coal,
mine,
construction,
earth,
environment,
equipment,
excavation,
heavy,
industry,
iron,
machine,
machinery,
metal,
mineral,
open,
ore,
power,
quarry,
rock,
transport,
transportation,
truck,
vehicle,
bulldozer,
big,
car,
dump,
energy,
gold,
ground
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