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| кнопка выбора диска (на панели управления/пульте ДУ музыкального центра) | |||
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disk key : 24 phrases in 10 subjects |
| Electronics | 3 |
| General | 1 |
| Information security and data protection | 1 |
| Information technology | 8 |
| Makarov | 1 |
| Mass media | 3 |
| Polygraphy | 1 |
| Security systems | 2 |
| Technology | 2 |
| Telecommunications | 2 |