groupe secondaire
| de base
| groupe secondaire | |
| commun. | gruppo secondario; supergruppo |
| de base | |
| dialys. | basale |
| |||
| gruppo secondario; supergruppo m | |||
|
groupe secondaire : 33 phrases in 7 subjects |
| Communications | 13 |
| Education | 2 |
| Electronics | 4 |
| Environment | 1 |
| Information technology | 1 |
| Mineral products | 1 |
| Power lines | 11 |