hazard: 217 phrases in 28 subjects |
Airports and air traffic control | 2 |
Astronautics | 4 |
Aviation | 68 |
Construction | 2 |
Diplomacy | 7 |
Ecology | 9 |
Economy | 3 |
Electronics | 1 |
Environment | 13 |
Finances | 3 |
Forestry | 1 |
General | 14 |
Health care | 3 |
Information technology | 4 |
Insurance | 1 |
Law | 8 |
Materials science | 1 |
Mathematics | 9 |
Medical | 2 |
Meteorology | 4 |
Microelectronics | 9 |
Military | 39 |
Natural resourses and wildlife conservation | 1 |
Oil and gas | 1 |
Psychotherapy | 1 |
Road construction | 2 |
Space | 2 |
Technology | 3 |