 |
| toxic chemicals: 74 phrases in 21 subjects |
| Astronautics | 8 |
| Chemistry | 2 |
| Drug-related slang | 1 |
| Ecology | 5 |
| Energy industry | 4 |
| General | 1 |
| Industry | 1 |
| Makarov | 1 |
| Material safety data sheet | 1 |
| Medical | 1 |
| Military | 21 |
| Name of organization | 1 |
| Nanotechnology | 4 |
| Natural resourses and wildlife conservation | 3 |
| Occupational health & safety | 1 |
| Production | 1 |
| Security systems | 1 |
| Technology | 3 |
| Toxicology | 2 |
| United Nations | 6 |
| Weapons of mass destruction | 6 |