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| задача эксплуатации (oleg.vigodsky) | |||
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operation task : 13 phrases in 8 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Computers | 1 |
| Information technology | 2 |
| Mass media | 1 |
| Military | 3 |
| NATO | 2 |
| Programming | 2 |
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