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| σήραγγα: 103 phrases in 17 subjects |
| Agriculture | 12 |
| Chemistry | 2 |
| Communications | 7 |
| Construction | 7 |
| Earth sciences | 23 |
| Electronics | 4 |
| Fish farming pisciculture | 2 |
| General | 2 |
| Industry | 2 |
| Life sciences | 1 |
| Materials science | 3 |
| Medical | 2 |
| Metallurgy | 3 |
| Natural sciences | 8 |
| Religion | 1 |
| Technology | 3 |
| Transport | 21 |