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| Portuguese thesaurus | |||
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| Piauí | |||
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PI : 24 phrases in 12 subjects |
| Agriculture | 4 |
| Automatic control | 2 |
| Chemistry | 1 |
| Electronics | 4 |
| Energy industry | 3 |
| Finances | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Microsoft | 2 |
| Natural resourses and wildlife conservation | 1 |
| Radiology | 2 |
| Transport | 2 |