Belt conveyor in an underground tunnel. Transportation of ore to the surface
Schlüsselwörter
industry,
ore,
geology,
industrial,
metal,
rock,
belt,
conveyer,
work,
machinery,
transportation,
conveyer belt,
equipment,
mine,
machine,
construction,
heavy,
steel,
transport,
coal,
material,
dust,
power,
chain,
mineral,
energy,
pollution,
background,
stone,
black,
sorting,
modern,
roller,
technology,
dirty,
factory,
fuel,
gold,
grey,
production,
underground,
tunnel,
dark,
engineering,
iron,
quarry,
copper,
mining
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