| English thesaurus | |||
| |||
| PPR | |||
|
Product Process And : 36 phrases in 12 subjects |
| Aviation | 1 |
| Business | 1 |
| Commerce | 1 |
| Ecology | 1 |
| Economics | 1 |
| General | 1 |
| Makarov | 3 |
| Nuclear and fusion power | 3 |
| Programming | 21 |
| Quality control and standards | 1 |
| Research and development | 1 |
| Weapons of mass destruction | 1 |