| English thesaurus | |||
| |||
| CRC | |||
|
Circles of : 19 phrases in 13 subjects |
| Astronomy | 1 |
| Communications | 1 |
| Construction | 3 |
| Earth sciences | 1 |
| Electronics | 1 |
| Life sciences | 2 |
| Measuring instruments | 1 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 3 |
| Scientific | 1 |
| Technology | 1 |
| Transport | 1 |