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| половина кассеты (oleg.vigodsky) | |||
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frame half : 20 phrases in 13 subjects |
| Aviation | 1 |
| Construction | 2 |
| Electronics | 3 |
| General | 2 |
| Mass media | 1 |
| Metrology | 1 |
| Mining | 1 |
| Nuclear and fusion power | 1 |
| Ophthalmology | 1 |
| Technology | 2 |
| Telecommunications | 3 |
| Textile industry | 1 |
| Wood processing | 1 |