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open back : 25 phrases in 17 subjects |
| Advertising | 1 |
| Architecture | 1 |
| Audio electronics | 1 |
| Automated equipment | 3 |
| Cooking | 1 |
| Footwear | 1 |
| Foreign policy | 1 |
| General | 1 |
| Leather | 1 |
| Librarianship | 3 |
| Metallurgy | 2 |
| Military | 1 |
| Plumbing | 1 |
| Polygraphy | 2 |
| Radio | 2 |
| Technology | 2 |
| Weapons and gunsmithing | 1 |