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| sinal de aviso de paragem | |||
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distant : 27 phrases in 12 subjects |
| Agriculture | 1 |
| Commerce | 1 |
| Communications | 8 |
| Earth sciences | 2 |
| Environment | 1 |
| Finances | 1 |
| Fish farming pisciculture | 3 |
| General | 3 |
| Information technology | 1 |
| Medical | 1 |
| Rail transport | 4 |
| Technology | 1 |