 |
| степень огнестойкости: 10 phrases in 5 subjects |
| Construction | 5 |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Occupational health & safety | 1 |
| Weapons of mass destruction | 2 |
|
| степень огнестойкости: 10 phrases in 5 subjects |
| Construction | 5 |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Occupational health & safety | 1 |
| Weapons of mass destruction | 2 |