 |
| |||
| gas foam (igisheva) | |||
| chemical foam | |||
| химическая пена: 8 phrases in 5 subjects |
| Ecology | 1 |
| Firefighting and fire-control systems | 4 |
| Gas processing plants | 1 |
| Occupational health & safety | 1 |
| Public utilities | 1 |
|
| |||
| gas foam (igisheva) | |||
| chemical foam | |||
| химическая пена: 8 phrases in 5 subjects |
| Ecology | 1 |
| Firefighting and fire-control systems | 4 |
| Gas processing plants | 1 |
| Occupational health & safety | 1 |
| Public utilities | 1 |