 |
| |||
| пределы воспламеняемости | |||
|
limits of flammability : 3 phrases in 2 subjects |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |
|
| |||
| пределы воспламеняемости | |||
|
limits of flammability : 3 phrases in 2 subjects |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |