| 11. | The lanterns are made of copper alloys, glass, and cast iron.
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| 12. | Some of these copper alloy crucibles were used in the making of bells.
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| 13. | Common metals that are cast include cast iron, aluminium, magnesium, and copper alloys.
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| 14. | Copper alloys are much more robust metallurgically and naturally plentiful in their environment.
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| 15. | Archaeological exploration in 2001 uncovered a copper alloy coin from Bath dated 1670.
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| 16. | Copper alloys with larger concentrations of lead are used in bearings.
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| 17. | The EPA has granted antimicrobial registration status to 355 different copper alloy compositions.
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| 18. | Clear coatings preserve the natural color, warmth, and metallic tone of copper alloys.
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| 19. | Buddha Shakyamuni or the Bodhisattva Maitreya, gilt copper alloy, early 8th century, Nalanda
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| 20. | More expensive materials commonly used are nickel, titanium, and copper alloys.
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