 |
| random walk: 54 phrases in 16 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Business | 6 |
| Computer networks | 1 |
| Earth sciences | 3 |
| Electronics | 4 |
| Finances | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Mathematics | 2 |
| Polymers | 3 |
| Securities | 5 |
| Space | 6 |
| Statistics | 3 |
| Technology | 15 |
| Wind Energy | 1 |