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preformado : 17 phrases in 10 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Electric motors | 2 |
| Food industry | 1 |
| Industry | 1 |
| Information technology | 1 |
| Materials science | 1 |
| Mechanic engineering | 4 |
| Medical | 2 |
| Metallurgy | 1 |
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