молниезащита : 22 phrases in 13 subjects |
Astronautics | 3 |
Construction | 3 |
Electric machinery | 1 |
Electrical engineering | 2 |
Electronics | 1 |
Energy industry | 1 |
Firefighting and fire-control systems | 1 |
Gas processing plants | 1 |
General | 2 |
Oil and gas | 1 |
Sakhalin | 1 |
Technology | 3 |
Telecommunications | 2 |