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| wichtigstes Bedienelement; Haupteinsteilorgan n | |||
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main control : 31 phrases in 7 subjects |
| Earth sciences | 1 |
| Measuring instruments | 3 |
| Mechanic engineering | 2 |
| Microelectronics | 2 |
| Optics branch of physics | 2 |
| Technology | 19 |
| Transport | 2 |
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