 |
| |||
| огнетушащий порошок (Adrax) | |||
| chemical powder: 6 phrases in 4 subjects |
| Firefighting and fire-control systems | 3 |
| Materials science | 1 |
| Nanotechnology | 1 |
| Occupational health & safety | 1 |
|
| |||
| огнетушащий порошок (Adrax) | |||
| chemical powder: 6 phrases in 4 subjects |
| Firefighting and fire-control systems | 3 |
| Materials science | 1 |
| Nanotechnology | 1 |
| Occupational health & safety | 1 |