 |
| English thesaurus | |||
| |||
| RD | |||
| Retarded: 27 phrases in 14 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Education | 1 |
| Electronics | 1 |
| Environment | 3 |
| Health care | 1 |
| Industry | 5 |
| Life sciences | 2 |
| Materials science | 1 |
| Mechanic engineering | 4 |
| Medical | 2 |
| Metallurgy | 1 |
| Transport | 3 |