![]() |
|
hardening : 178 phrases in 15 subjects |
| Astronautics | 1 |
| Cinematography | 2 |
| Diplomacy | 7 |
| Figurative | 1 |
| General | 13 |
| Marketing | 1 |
| Metallurgy | 54 |
| Microelectronics | 8 |
| Microsoft | 2 |
| Military | 18 |
| Oil and gas | 25 |
| Road construction | 1 |
| Soil science | 7 |
| Space | 1 |
| Technology | 37 |