 |
| |||
| lettering (around the edge of the coin) | |||
| embossing | |||
| cutting out; die forging; drop stamping | |||
| die-pressing; matched mold forming; pressure forming | |||
| pressing; blanking | |||
| drop forging | |||
| stamping; swaging | |||
|
estampage : 30 a las frases, 10 temas |
| Ambiente | 2 |
| Comunicaciones | 4 |
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| General | 4 |
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| Ingeniería mecánica | 2 |
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| Metalurgia | 10 |
| Tecnología | 2 |
| Transporte | 2 |