health hazard : 37 phrases in 12 subjects |
Ecology | 3 |
Environment | 1 |
European Bank for Reconstruction and Development | 1 |
Food service and catering | 1 |
General | 15 |
Makarov | 1 |
Medical | 4 |
Military | 1 |
Occupational health & safety | 1 |
Oilfields | 1 |
Transport | 1 |
Weapons of mass destruction | 7 |