Man's hand holding a piece of copper to examine it for industrial use on black background
Schlüsselwörter
copper,
mine,
lump,
ore,
rare,
bronze,
hand,
nugget,
material,
precious,
sample,
earth,
expensive,
grunge,
pure,
textured,
brilliant,
fine,
gold,
hold,
ornamental,
purity,
resource,
science,
silver,
treasure,
industrial,
rough,
conductor,
drilling,
electricity,
energy,
heavy,
mining,
recycling,
holding,
industry,
rock,
element,
mineral,
processing,
technology,
dig,
extraction,
geology,
metal,
nature,
object,
rarity
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