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| Außenbereich m | |||
| Außenkegel n (of a flame); äußerer Kegel (of a flame); sekundäre Reaktionszone (of a flame) | |||
| Randzone f | |||
| outer zone: 4 phrases in 4 subjects |
| Astronomy | 1 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 1 |
| Optics branch of physics | 1 |