 |
| |||
| mining; exploitation of mineral deposits | |||
| |||
| ore mining | |||
|
exploitation des mines : 12 a las frases, 7 temas |
| Ambiente | 5 |
| Carbón | 1 |
| Construcción | 1 |
| General | 1 |
| Industria | 2 |
| Metalurgia | 1 |
| Naciones unidas | 1 |
|
| |||
| mining; exploitation of mineral deposits | |||
| |||
| ore mining | |||
|
exploitation des mines : 12 a las frases, 7 temas |
| Ambiente | 5 |
| Carbón | 1 |
| Construcción | 1 |
| General | 1 |
| Industria | 2 |
| Metalurgia | 1 |
| Naciones unidas | 1 |