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Bohrung : 24 phrases in 10 subjects |
| Coal | 9 |
| Construction | 1 |
| Economy | 1 |
| Electronics | 1 |
| Industry | 4 |
| Information technology | 1 |
| Life sciences | 1 |
| Mechanic engineering | 3 |
| Oil / petroleum | 1 |
| Transport | 2 |
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