| English thesaurus | |||
| |||
| CCD | |||
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Controlled : 206 phrases in 16 subjects |
| Airports and air traffic control | 1 |
| Aviation | 17 |
| Chemistry | 40 |
| Economics | 11 |
| Hydrology | 1 |
| Law | 51 |
| Mechanic engineering | 1 |
| Medical | 4 |
| Oil / petroleum | 17 |
| Optics branch of physics | 3 |
| Photography | 7 |
| Polygraphy | 4 |
| Public transportation | 1 |
| Road traffic | 22 |
| Road works | 1 |
| Technology | 25 |