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нормально- замкнутый контакт : 33 phrases in 14 subjects |
Astronautics | 1 |
Automated equipment | 5 |
Aviation | 1 |
Electrical engineering | 4 |
Electronics | 1 |
Energy system | 2 |
Mass media | 2 |
Mechanics | 2 |
Military | 1 |
Programming | 1 |
Rail transport | 2 |
Security systems | 1 |
Technology | 8 |
Telecommunications | 2 |