 |
| failures: 3839 phrases in 103 subjects |
| Accounting | 1 |
| Agriculture | 49 |
| Air defense | 11 |
| Animal husbandry | 7 |
| Architecture | 21 |
| Artificial intelligence | 2 |
| Astronautics | 3 |
| Athletics | 1 |
| Automobiles | 235 |
| Aviation | 261 |
| Bridge card game | 1 |
| Bridge construction | 57 |
| Business | 254 |
| Cartography | 1 |
| Chemistry | 14 |
| China | 7 |
| Commerce | 11 |
| Communications | 18 |
| Compressors | 13 |
| Computer networks | 2 |
| Computer numerical control | 2 |
| Computers | 4 |
| Construction | 10 |
| Corporate governance | 2 |
| Cryptography | 2 |
| Dermatology | 2 |
| Desert science | 9 |
| Dragon boat | 1 |
| Drilling | 37 |
| Earth sciences | 9 |
| Ecology | 7 |
| Economy | 50 |
| Education | 1 |
| Electric machinery | 32 |
| Electronics | 321 |
| Engineering geology | 121 |
| Exhibitions | 2 |
| Explosives and Explosive Ordnance Disposal | 63 |
| Fencing | 1 |
| Finances | 9 |
| Football | 1 |
| General | 44 |
| Geology | 1 |
| Geophysics | 1 |
| Heavy equipment vehicles | 1 |
| Hydroelectric power stations | 57 |
| Information technology | 58 |
| International Monetary Fund | 3 |
| International trade | 20 |
| Isolation | 1 |
| Law | 4 |
| Librarianship | 1 |
| Life sciences | 2 |
| Management | 13 |
| Marketing | 2 |
| Mathematics | 10 |
| Mechanic engineering | 2 |
| Mechanics | 33 |
| Medical | 2 |
| Metallurgy | 100 |
| Military | 1 |
| Mining | 6 |
| Multimedia | 3 |
| Nanotechnology | 1 |
| Nautical | 32 |
| Navigation | 2 |
| Nuclear and fusion power | 4 |
| Nuclear physics | 4 |
| Nursing | 27 |
| Oil / petroleum | 84 |
| Oil and gas | 1 |
| Oil processing plants | 3 |
| Plastic surgery | 5 |
| Plastics | 43 |
| Polymers | 8 |
| Power system protection | 5 |
| Project management | 14 |
| Psychology | 1 |
| Quality control and standards | 7 |
| Racing and motorsport | 1 |
| Radio | 1 |
| Rail transport | 20 |
| Refrigeration | 2 |
| Reliability | 46 |
| Reproductive biology | 11 |
| Securities | 25 |
| Security systems | 1 |
| Shipbuilding | 14 |
| Shooting sport | 5 |
| Soil science | 4 |
| Space | 335 |
| Sports | 16 |
| Statistics | 3 |
| Steel production | 3 |
| Surgery | 19 |
| Technology | 891 |
| Telecommunications | 105 |
| Textile industry | 16 |
| Transport | 3 |
| Veterinary medicine | 1 |
| Virology | 1 |
| Wind Energy | 53 |
| Wood processing | 2 |