| 21. | Uncommon among copper alloys, Tungum alloy can be precipitation hardened using heat treatment techniques.
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| 22. | Faster antimicrobial efficacies were associated with higher copper alloy content.
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| 23. | These developments are creating markets for antimicrobial copper and copper alloys in interior architecture.
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| 24. | Standard silver was defined as 1485 parts pure silver to 179 parts copper alloy.
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| 25. | Manufacturers learned to sandwich a copper alloy into vault doors.
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| 26. | This is of particular concern for copper alloy products such as brass and bronze.
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| 27. | Modern adhesives permit application of copper alloys to steel hulls without creating galvanic corrosion.
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| 28. | Contacts are made of copper or copper alloys, silver alloys and other highly conductive materials.
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| 29. | Common casting metals are aluminum, magnesium, and copper alloys.
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| 30. | It was also lighter than the edging of copper alloy used in earlier Roman shields.
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