Sample Set of Metal & Their Alloys, 12
| 1 | Fe (C-2-4) | 7 | Pb |
| 2 | Fe | 8 | Al |
| 3 | Fe | 9 | Sn |
| 4 | Fe | 10 | Cu |
| 5 | Cu | 11 | Fe |
| 6 | Cu | 12 | Ni-Cr |
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