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| Inhalt m | |||
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content matter : 20 phrases in 12 subjects |
| Agriculture | 5 |
| Automobiles | 1 |
| Coal | 2 |
| Construction | 1 |
| Energy industry | 1 |
| Environment | 2 |
| Food industry | 1 |
| Foreign trade | 1 |
| Geology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 1 |