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range switching : 40 phrases in 14 subjects |
Astronautics | 2 |
Automated equipment | 3 |
Electrical engineering | 1 |
Electronics | 3 |
Household appliances | 1 |
Mass media | 4 |
Military | 1 |
Nautical | 1 |
Oil and gas | 1 |
Radiolocation | 2 |
Refrigeration | 1 |
Technology | 18 |
Telecommunications | 1 |
Thermal engineering | 1 |