 |
| dissipazione: 35 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Astronomy | 4 |
| Automobiles | 1 |
| Chemistry | 4 |
| Construction | 1 |
| Electrical engineering | 1 |
| Environment | 1 |
| Finances | 2 |
| General | 3 |
| Military | 2 |
| Radio | 7 |
| Technology | 8 |
|
| dissipazione: 35 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Astronomy | 4 |
| Automobiles | 1 |
| Chemistry | 4 |
| Construction | 1 |
| Electrical engineering | 1 |
| Environment | 1 |
| Finances | 2 |
| General | 3 |
| Military | 2 |
| Radio | 7 |
| Technology | 8 |