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| method of winning; mining method; system of working; winning method; working method | |||
| method of mining | |||
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| logging procedure | |||
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methode d' exploitation : 12 a las frases, 8 temas |
| Agricultura | 1 |
| Bioenergía | 1 |
| Construcción | 1 |
| Marketing | 1 |
| Medicina | 1 |
| Recursos naturales y conservación de la vida silvestre. | 1 |
| Silvicultura | 4 |
| Transporte | 2 |