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#rust #oxidation #metal corrosion #tarnish #metal aging #reddish brown #metallic discoloration

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#chain rust #metal corrosion #water damage #oxidation over time #weathered metal #slow decay

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#rusted chain #iron oxidation #metal corrosion #water damage #orange rust #metal water reaction

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#acid eats metal #metal corrosion #chemical erosion #industrial acid warning #dissolving metal #material damage

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#scrap recycling #rusty metal salvage #ferrous scrap #metal corrosion #oxidized scrap

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#verdigris #patina #copper aging #bronze aging #metal corrosion #green patina #aged metal

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#sea corrosion #marine corrosion #rust #shipwreck decay #underwater degradation #metal corrosion