| |||
| gelegentlich | |||
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at intervals : 36 phrases in 12 subjects |
| Diplomacy | 1 |
| Economics | 2 |
| Finances | 1 |
| Foreign trade | 2 |
| General | 12 |
| Information technology | 1 |
| Measuring instruments | 1 |
| Microelectronics | 3 |
| Optics branch of physics | 4 |
| Sports | 2 |
| Technology | 6 |
| Transport | 1 |