Kopalnia piachu
Palabras clave
activity,
basic,
belt,
belt,
blue,
business,
city,
construction,
conveyer,
daylight,
dig,
earth,
engineering,
equipment,
excavation,
factory,
gravel,
growth,
heap,
industrial,
industry,
large,
machine,
machinery,
manufacturing,
material,
material,
metal,
mine,
mineral,
mineral,
mining,
open,
pebble,
pit,
plant,
quarry,
road,
rock,
sand,
steel,
stone,
technology,
transportation,
truck,
work,
working
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