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carbon fossile : 31 phrases in 11 subjects |
| Bioenergy | 1 |
| Chemistry | 8 |
| Coal | 3 |
| Energy industry | 8 |
| Finances | 1 |
| Food service and catering | 1 |
| Health care | 1 |
| Industry | 3 |
| Metallurgy | 3 |
| Statistics | 1 |
| Technology | 1 |
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