| |||
| Operateur m | |||
| Operator-Dienst m; bedienplatzunterstütztes Vermittlungssystem | |||
|
operator system : 28 phrases in 12 subjects |
| Business | 1 |
| Communications | 4 |
| Construction | 1 |
| Electronics | 5 |
| Energy industry | 9 |
| Finances | 1 |
| General | 1 |
| Information technology | 1 |
| Mechanic engineering | 1 |
| Microelectronics | 2 |
| Nuclear physics | 1 |
| Transport | 1 |