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| Lüftungs: 70 phrases in 27 subjects |
| Automobiles | 2 |
| Brewery | 1 |
| Building structures | 5 |
| Chemistry | 1 |
| Cinema equipment | 1 |
| Construction | 23 |
| Electronics | 2 |
| Food industry | 3 |
| Forestry | 1 |
| General | 1 |
| Heating | 1 |
| Hydrology | 1 |
| Hygiene | 1 |
| Medical | 2 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 3 |
| Nautical | 2 |
| Navy | 1 |
| Nuclear physics | 1 |
| Production | 1 |
| Programming | 1 |
| Rail transport | 1 |
| Road works | 2 |
| Shipbuilding | 3 |
| Technology | 5 |
| Water supply | 1 |
| Wood processing | 2 |