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call request |
требование вызова : 21 phrases in 12 subjects |
Electronics | 1 |
Information technology | 2 |
Law | 2 |
Mass media | 1 |
Microsoft | 1 |
Military | 1 |
Programming | 3 |
Security systems | 1 |
Sociology | 1 |
Technology | 2 |
Telecommunications | 4 |
Радиоактивное излучение | 2 |