coaling
| coaling | |
| mater.sc. chem. | approvisionnement en charbon |
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| approvisionnement en charbon | |||
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coaling : 13 phrases in 6 subjects |
| Chemistry | 1 |
| General | 3 |
| Materials science | 1 |
| Metallurgy | 1 |
| Mineral products | 1 |
| Transport | 6 |