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bitume : 77 phrases in 13 subjects |
| Agriculture | 1 |
| Chemistry | 22 |
| Coal | 1 |
| Construction | 10 |
| Energy industry | 1 |
| Environment | 4 |
| General | 8 |
| Industry | 7 |
| Materials science | 2 |
| Medical | 1 |
| Patents | 2 |
| Technology | 5 |
| Transport | 13 |
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