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| Reinigungsanlage f | |||
| Reinigungsanlage f (sterilization) | |||
| Aufbereitung f; Aufbereitungsanlage f; Kohlenwäsche f | |||
| cleaning plant: 25 phrases in 7 subjects |
| Agriculture | 5 |
| Chemistry | 1 |
| Coal | 5 |
| Environment | 4 |
| Labor law | 1 |
| Mining | 4 |
| Natural resourses and wildlife conservation | 5 |