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| двухкапсюльный (микрофон) | |||
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double button : 29 phrases in 12 subjects |
| Acoustics | 1 |
| Electricity | 1 |
| Electronics | 2 |
| Household appliances | 1 |
| Information technology | 3 |
| Mass media | 1 |
| Mechanic engineering | 1 |
| Mining | 2 |
| Programming | 6 |
| Radioengineering | 6 |
| Technology | 4 |
| Telecommunications | 1 |