 |
| U-shaped: 104 phrases in 41 subjects |
| Aerodynamics | 1 |
| Agrochemistry | 2 |
| Artillery | 1 |
| Astronautics | 4 |
| Automobiles | 2 |
| Bridge construction | 2 |
| Chess | 1 |
| Construction | 8 |
| Dentistry | 2 |
| Electrical engineering | 5 |
| Electronics | 6 |
| Energy industry | 4 |
| General | 4 |
| Geography | 5 |
| Geology | 1 |
| Household appliances | 1 |
| Information technology | 3 |
| Makarov | 1 |
| Mathematics | 1 |
| Mechanic engineering | 3 |
| Medical | 3 |
| Metallurgy | 2 |
| Microelectronics | 1 |
| Military | 1 |
| Nautical | 3 |
| Nuclear physics | 2 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pipelines | 1 |
| Programming | 1 |
| Quality control and standards | 1 |
| Refrigeration | 2 |
| Road works | 1 |
| Statistics | 1 |
| Technology | 6 |
| Telecommunications | 4 |
| Transport | 8 |
| Welding | 1 |
| Wood processing | 1 |