 |
| English thesaurus | |||
| |||
| Please see Hays Production Code. | |||
|
production : 657 phrases in 18 subjects |
| Agriculture | 1 |
| Aviation | 6 |
| Chemistry | 14 |
| Construction | 2 |
| Economics | 77 |
| European Union | 1 |
| Forestry | 1 |
| General | 1 |
| Geophysics | 1 |
| Law | 164 |
| Mechanic engineering | 4 |
| Military | 1 |
| Oil / petroleum | 271 |
| Optics branch of physics | 8 |
| Photography | 1 |
| Polygraphy | 78 |
| Road traffic | 4 |
| Technology | 22 |