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| method of mining | |||
| method of winning; mining method; system of working; winning method; working method | |||
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| logging procedure | |||
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methode d' exploitation : 12 do fraz, 8 tematyki |
| Bioenergia | 1 |
| Budownictwo | 1 |
| Leśnictwo | 4 |
| Marketing | 1 |
| Medycyna | 1 |
| Rolnictwo | 1 |
| Transport | 2 |
| Zasoby naturalne i ochrona dzikiej przyrody | 1 |