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| conditions naturelles (ROGER YOUNG) | |||
| естественные условия: 19 phrases in 13 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Fish farming pisciculture | 1 |
| Fishery fishing industry | 2 |
| General | 2 |
| Hydraulic engineering | 3 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
| Technology | 1 |
| Water resources | 1 |