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putki : 77 phrases in 18 subjects |
| Agriculture | 1 |
| Brazil | 1 |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 5 |
| Construction | 2 |
| Earth sciences | 4 |
| Electrical engineering | 10 |
| Electronics | 2 |
| Environment | 4 |
| General | 1 |
| Industry | 30 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Patents | 1 |
| Technology | 1 |
| Transport | 4 |
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