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limpiar : 70 phrases in 17 subjects |
| Agriculture | 7 |
| Chemistry | 4 |
| Coal | 1 |
| Communications | 1 |
| Cultural studies | 4 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 3 |
| General | 12 |
| Industry | 2 |
| Materials science | 2 |
| Mechanic engineering | 2 |
| Metallurgy | 8 |
| Municipal planning | 6 |
| Natural sciences | 1 |
| Patents | 13 |
| Textile industry | 2 |
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