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| propellente solido; polvere m; polvere nera | |||
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pólvora : 39 phrases in 8 subjects |
| Chemistry | 17 |
| Coal | 7 |
| Communications | 1 |
| General | 8 |
| Industry | 2 |
| Materials science | 1 |
| Mechanic engineering | 1 |
| Transport | 2 |
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