Part of a pit with big mining truck working
Palabras clave
big,
black,
breed,
brown,
business,
capacity,
car,
career,
central,
coal,
cut,
dump,
efficiency,
energy,
equipment,
fossil,
heat,
heavy,
huge,
labor,
lignite,
load,
machine,
mine,
miner,
mineral,
mountain,
new,
ore,
pit,
power,
production,
productivity,
repair,
stone,
strong,
technology,
truck,
useful,
wheel,
work
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