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| Subject | German | English |
| transp. | Umluft-/Frischluftklappe | Fresh air/recirculated air flap |
| gen. | Umluft-Tarar Maschine zur Getreidereinigung | air-recycling aspirator grain cleaning machine |
| chem. | Umluft-Tellertrockner | rotary shelf dryer with recirculating air |
| tech., chem. | Umluft-Trockenschrank | oven with air circulation |