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Man's hand holding a piece of copper to examine it for industrial use
Grilled top sirloin or cup rump beef meat steak on marble board. Black background. Top view
Ge (Germanium) Ga (Gallium) in the periodic table with Chinese flag. US vs China chip war or tech war, microchip semiconductor industry concept. China curbs on exports of rare germanium and gallium.
Set of metallic materials and precious metals outline icons related to most traded commodities.material base metal ore
Ore gold silver and copper from the mined mines were placed on the black sand.

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