 |
| control problems: 41 phrases in 16 subjects |
| Automated equipment | 2 |
| Automatic control | 4 |
| Aviation | 5 |
| Business | 1 |
| Diplomacy | 1 |
| Economy | 1 |
| Information technology | 2 |
| Makarov | 2 |
| Mathematics | 4 |
| Medical | 1 |
| Military | 3 |
| Programming | 8 |
| Quality control and standards | 2 |
| Radio | 1 |
| Scientific | 1 |
| Technology | 3 |