Mill Balls. Metal science
Schlüsselwörter
ball,
white,
sphere,
gold,
decoration,
isolated,
gold,
metal,
brown,
round,
rust-eaten,
colours,
science,
ecology,
manufacture,
processing,
grinder,
mill,
copper,
industrial,
heavy,
equipment,
ore,
technology,
production,
iron,
grated,
waste
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