noun | verb | to phrases
|
toughening : 66 phrases in 17 subjects |
| Construction | 1 |
| Cosmetics and cosmetology | 3 |
| Diplomacy | 3 |
| Ecology | 1 |
| General | 10 |
| Government, administration and public services | 1 |
| Idiomatic | 1 |
| Makarov | 22 |
| Mass media | 1 |
| Metal science | 3 |
| Nanotechnology | 4 |
| Politics | 1 |
| Polymers | 3 |
| Security systems | 3 |
| Silicate industry | 6 |
| Technology | 2 |
| Vulgar | 1 |