 |
| commutatore: 106 phrases in 15 subjects |
| Communications | 14 |
| Electric motors | 1 |
| Electric traction | 2 |
| Electricity generation | 2 |
| Electronics | 38 |
| Industry | 2 |
| Information technology | 25 |
| Microsoft | 3 |
| Patents | 2 |
| Power system protection | 1 |
| Rail transport | 2 |
| Telegraphy | 1 |
| Telephony | 1 |
| Transformers | 1 |
| Transport | 11 |