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| vía de superficie | |||
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by surface : 31 phrases in 14 subjects |
| Agriculture | 5 |
| Chemistry | 1 |
| Communications | 2 |
| Electronics | 1 |
| General | 1 |
| Industry | 2 |
| Law | 2 |
| Life sciences | 1 |
| Materials science | 1 |
| Metallurgy | 7 |
| Soil science | 1 |
| Technology | 3 |
| Transport | 2 |
| Water resources | 2 |