 |
| |||
| Grubengas n; schlagende Wetter | |||
| Methan n; Zechengas n | |||
| CH4 n; Sumpfgas n | |||
| Schlagwetter n | |||
| |||
| Grubengase n | |||
| firedamp: 45 phrases in 9 subjects |
| Coal | 8 |
| Earth sciences | 1 |
| General | 5 |
| Health care | 1 |
| Industry | 1 |
| Labor law | 1 |
| Measuring instruments | 1 |
| Mining | 25 |
| Technology | 2 |