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| mining and metallurgical industry (due to the tax imposed on this consumable in the mining and metallurgical industry – Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy Tamerlane) | |||
| горно-металлургическая промышленность: 8 a las frases, 5 temas |
| Minería | 1 |
| Perforación | 1 |
| Petróleo | 4 |
| Sajalín | 1 |
| Tecnología | 1 |