calamine
closeup
cluster
crystal
detail
dirty
earth
environment
factory
geology
ground
history
industrial
industry
iron
material
metal
metal mining
metallic
mine
mineral
natural
nature
old fashioned
ore
ore metal
pattern
production
pyrite
rail
railroad
railway
raw
resource
rock
rough
rough stone
science
shovel
steel
stock
stone
surface
texture
track
train
transport
transportation
vintage
zinc
定額
A stack of calamine (zinc ore) with an old-fashioned shovel and fragment of a mine wagon. History of metallurgy industry.の素材 [FY310197951022]
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