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carrinho : 133 phrases in 22 subjects |
| Agriculture | 8 |
| Brazil | 2 |
| Chemistry | 2 |
| Coal | 5 |
| Communications | 1 |
| Earth sciences | 1 |
| Environment | 1 |
| Fish farming pisciculture | 2 |
| General | 19 |
| Industry | 16 |
| Information technology | 4 |
| Law | 1 |
| Materials science | 11 |
| Mechanic engineering | 14 |
| Metallurgy | 13 |
| Natural sciences | 1 |
| Patents | 5 |
| Politics | 2 |
| Technology | 7 |
| Telegraphy | 1 |
| Transport | 16 |
| Wood processing | 1 |
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