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| segnalare: 24 phrases in 13 subjects |
| Electricity generation | 1 |
| Electronics | 2 |
| Lighting other than cinema | 1 |
| Magnetics | 1 |
| Microsoft | 3 |
| Radio | 1 |
| Rail transport | 6 |
| Satellite communications | 1 |
| Semiconductors | 1 |
| Telecommunications | 3 |
| Telegraphy | 2 |
| Vacuum tubes | 1 |
| Video recording | 1 |