| English thesaurus | |||
| |||
| PID | |||
|
Plastics : 199 phrases in 20 subjects |
| American usage, not spelling | 1 |
| Antennas and waveguides | 2 |
| Chemistry | 21 |
| Construction | 83 |
| Economics | 2 |
| Education | 1 |
| Environment | 6 |
| Food industry | 1 |
| General | 7 |
| Immigration and citizenship | 1 |
| Industry | 1 |
| Isolation | 5 |
| Labor organization | 1 |
| Materials science | 27 |
| Mechanics | 3 |
| Medical | 1 |
| Mining | 2 |
| Radio | 1 |
| Thermal Energy | 2 |
| Transport | 31 |