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| основные ресурсы | |||
| первичные ресурсы | |||
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primary resource : 9 phrases in 8 subjects |
| Ecology | 1 |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Geology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Programming | 1 |
| Technology | 2 |