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| zäher Brocken (Andrey Truhachev); harter Hund (Andrey Truhachev); harter Knochen (Andrey Truhachev); zäher Typ (Andrey Truhachev); zäher Kerl (Andrey Truhachev) | |||
| жесткого типа: 7 phrases in 5 subjects |
| Metalworking | 1 |
| Microelectronics | 2 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Textile industry | 1 |