 |
| line protection: 53 phrases in 16 subjects |
| Automated equipment | 3 |
| Caspian | 2 |
| Communications | 1 |
| Construction | 1 |
| Electrical engineering | 4 |
| Electronics | 4 |
| Energy industry | 3 |
| Energy system | 1 |
| Firefighting and fire-control systems | 1 |
| Lighting other than cinema | 2 |
| Makarov | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Power system protection | 3 |
| Technology | 6 |
| Telecommunications | 19 |