機器
environmental
artificial
background
business
commodity
copper
desert
dig
disaster
dump
ecology
excavation
excavator
extraction
factory
fertilizer
garbage
geology
heavy
hill
industrial
landscape
machinery
manufacturing
material
mine
mineral
mining
mound
open
ore
output
outside
pollution
potassium
processing
production
rock
salt
sand
sky
sodium
station
stockpile
structure
technology
terrace
waste
定額
Mountains of empty ore when mining potassium. Transportation of an empty rock to a dump. View of the large production mountains of waste ore. Extraction of salt and other minerals.の素材 [FY310185273689]
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