|
Protective : 205 phrases in 36 subjects |
| Agriculture | 15 |
| American usage, not spelling | 1 |
| Biology | 1 |
| Cables and cable production | 1 |
| Chemistry | 7 |
| Commerce | 3 |
| Construction | 60 |
| Ecology | 1 |
| Economics | 2 |
| Electric machinery | 29 |
| Electric traction | 2 |
| Electrical engineering | 5 |
| Electricity generation | 4 |
| Electronics | 11 |
| Employment | 1 |
| Environment | 3 |
| Forestry | 5 |
| General | 7 |
| Health care | 9 |
| Isolation | 7 |
| Law | 3 |
| Lighting other than cinema | 1 |
| Medical | 1 |
| Microsoft | 1 |
| Nuclear physics | 4 |
| Politics | 1 |
| Power lines | 1 |
| Radiology | 8 |
| Rail transport | 1 |
| Road works | 1 |
| Social science | 1 |
| Technology | 1 |
| Transformers | 3 |
| Transport | 1 |
| Ventilation | 2 |
| Welding | 1 |