 |
| |||
| element of service | |||
| service element | |||
| control; control organ; controls; operating control; operating controls; operating device | |||
| élément de service: 46 phrases in 8 subjects |
| Communications | 23 |
| Economy | 2 |
| Electronics | 9 |
| General | 2 |
| Information technology | 6 |
| International trade | 1 |
| Power lines | 2 |
| Telegraphy | 1 |