機器
environmental
absetzer
artificial
bagger
chemical
chloride
conveyor
crystal
digger
ecology
equipment
excavator
exploitation
extract
fertilizer
geology
industrial
industry
landfill
machinery
manufacturing
mechanism
mine
mineral
mining
ore
pit
pollution
potash
potassium
processing
production
quarry
resources
salt
sand
slag
slagheap
sodium
spread
spreader
spreading
sylvinite
technology
transportation
transporter
waste
work
定額
Giant spreader or absetzer machinery. A large dumper on a landfill with potash ore. Extracting and mining potassium salts. Large excavator machine and waste ore in the extraction of potassium.の素材 [FY310185709661]
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