 |
| control spaces: 99 phrases in 21 subjects |
| Advertising | 1 |
| Astronautics | 40 |
| Automated equipment | 2 |
| Aviation | 1 |
| Aviation medicine | 1 |
| Chess | 2 |
| Computers | 1 |
| Ecology | 2 |
| Electronics | 3 |
| General | 5 |
| Gyroscopes | 1 |
| Hydraulic engineering | 1 |
| Information technology | 2 |
| Logistics | 2 |
| Makarov | 1 |
| Medical | 2 |
| Military | 11 |
| Operation systems | 2 |
| Programming | 1 |
| Technology | 17 |
| United Nations | 1 |