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| boca: 192 phrases in 24 subjects |
| Agriculture | 22 |
| Chemistry | 9 |
| Coal | 3 |
| Communications | 3 |
| Construction | 8 |
| Cultural studies | 5 |
| Electronics | 1 |
| Environment | 1 |
| Fish farming pisciculture | 9 |
| General | 8 |
| Health care | 2 |
| Hobbies and pastimes | 2 |
| Industry | 34 |
| Life sciences | 5 |
| Materials science | 15 |
| Mechanic engineering | 16 |
| Medical | 13 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 5 |
| Natural sciences | 8 |
| Oil / petroleum | 1 |
| Social science | 1 |
| Technology | 1 |
| Transport | 19 |
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