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vedação : 125 phrases in 18 subjects |
| Agriculture | 8 |
| Chemistry | 6 |
| Coal | 3 |
| Communications | 1 |
| Construction | 9 |
| Earth sciences | 20 |
| Electronics | 5 |
| Environment | 3 |
| General | 1 |
| Health care | 1 |
| Industry | 21 |
| Materials science | 3 |
| Mechanic engineering | 24 |
| Metallurgy | 4 |
| Natural sciences | 2 |
| Patents | 1 |
| Radiobiology | 1 |
| Transport | 12 |
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