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helmet |
маска -шлем : 12 phrases in 11 subjects |
Aviation | 1 |
Aviation medicine | 1 |
Firefighting and fire-control systems | 1 |
General | 2 |
Ice hockey | 1 |
Medical | 1 |
Military | 1 |
Occupational health & safety | 1 |
Oil and gas | 1 |
Sakhalin | 1 |
Weapons of mass destruction | 1 |