 |
| reservation system: 34 phrases in 16 subjects |
| Aeronautics | 1 |
| Airports and air traffic control | 1 |
| Automated equipment | 1 |
| Aviation | 3 |
| Business | 1 |
| Computers | 1 |
| Electronics | 3 |
| General | 3 |
| Hotel industry | 1 |
| Information technology | 5 |
| Makarov | 1 |
| Military | 5 |
| Programming | 2 |
| Technology | 1 |
| Telecommunications | 4 |
| Travel | 1 |