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parafuso : 247 phrases in 17 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 2 |
| Chemistry | 20 |
| Coal | 1 |
| Earth sciences | 4 |
| Economy | 1 |
| Electrical engineering | 3 |
| Electronics | 10 |
| Industry | 63 |
| Information technology | 3 |
| Life sciences | 23 |
| Materials science | 6 |
| Mechanic engineering | 87 |
| Metallurgy | 9 |
| Patents | 1 |
| Technology | 10 |
| Transport | 2 |
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