double-lined: 29 phrases in 14 subjects |
Astronautics | 1 |
Astrospectroscopy | 1 |
Biology | 1 |
Construction | 3 |
Electronics | 2 |
Entomology | 1 |
Ichthyology | 5 |
Information technology | 1 |
Medical | 1 |
Nautical | 1 |
Programming | 1 |
Rail transport | 2 |
Sports | 1 |
Technology | 8 |