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| à charbon | |||
| a carbone: 102 phrases in 20 subjects |
| Agriculture | 2 |
| Chemistry | 10 |
| Coal | 7 |
| Earth sciences | 3 |
| Electronics | 10 |
| Energy industry | 1 |
| Environment | 5 |
| Food industry | 1 |
| General | 1 |
| Industry | 2 |
| Information technology | 2 |
| Law | 1 |
| Life sciences | 2 |
| Lighting other than cinema | 1 |
| Marketing | 1 |
| Materials science | 1 |
| Measuring instruments | 1 |
| Metallurgy | 46 |
| Municipal planning | 1 |
| Transport | 4 |