 |
| |||
| flame suppression | |||
| knock-down (начальная стадия тушения пожара) | |||
| сбивание пламени: 4 phrases in 2 subjects |
| Firefighting and fire-control systems | 3 |
| Public utilities | 1 |
|
| |||
| flame suppression | |||
| knock-down (начальная стадия тушения пожара) | |||
| сбивание пламени: 4 phrases in 2 subjects |
| Firefighting and fire-control systems | 3 |
| Public utilities | 1 |