breakover: 33 phrases in 12 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 |
Technology | 6 |