 |
| |||
| грозозащитное заземление | |||
| lightning ground: 8 phrases in 6 subjects |
| Electricity | 1 |
| Firefighting and fire-control systems | 1 |
| General | 1 |
| Makarov | 1 |
| Meteorology | 1 |
| Technology | 3 |
|
| |||
| грозозащитное заземление | |||
| lightning ground: 8 phrases in 6 subjects |
| Electricity | 1 |
| Firefighting and fire-control systems | 1 |
| General | 1 |
| Makarov | 1 |
| Meteorology | 1 |
| Technology | 3 |