 |
|
breakover : 34 phrases in 13 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Automobiles | 4 |
| Aviation | 4 |
| Electrical engineering | 3 |
| Electronics | 3 |
| Firefighting and fire-control systems | 5 |
| Forestry | 2 |
| Geophysics | 1 |
| Oil and gas | 1 |
| Seismology | 1 |
| Space | 1 |
| Technology | 6 |