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| а, вспомнил! | |||
| ああ: 214 phrases in 15 subjects |
| Aviation | 4 |
| Communications | 3 |
| Mineralogy | 1 |
| Mining | 5 |
| Nautical | 2 |
| Physics | 2 |
| Plastics | 2 |
| Pulp and paper industry | 2 |
| Rail transport | 3 |
| Shipbuilding | 3 |
| Soviet | 1 |
| Technology | 176 |
| Telegraphy | 1 |
| Telephony | 5 |
| Textile industry | 4 |