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| prep technique (MichaelBurov); preparation technique (MichaelBurov); prep techniques (MichaelBurov); preparation techniques (MichaelBurov) | |||
| техника подготовки: 28 phrases in 6 subjects |
| Astronautics | 4 |
| Information technology | 2 |
| Mathematics | 1 |
| Military | 19 |
| Oil / petroleum | 1 |
| Technology | 1 |