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| связь с оператором | |||
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Operator Communication : 21 phrases in 10 subjects |
| Automated equipment | 1 |
| Computer networks | 2 |
| General | 1 |
| Military | 4 |
| Mobile and cellular communications | 1 |
| Oil and gas | 1 |
| Programming | 1 |
| Security systems | 1 |
| Technology | 4 |
| Telecommunications | 5 |