 |
| hazardous materials: 54 phrases in 22 subjects |
| Aviation | 1 |
| Business | 1 |
| Construction | 1 |
| Ecology | 4 |
| Energy industry | 8 |
| Environment | 1 |
| Firefighting and fire-control systems | 3 |
| General | 5 |
| Logistics | 1 |
| Makarov | 3 |
| Medical | 1 |
| Military | 8 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Security systems | 3 |
| Technology | 2 |
| Tengiz | 2 |
| United States | 1 |
| Water supply | 1 |
| Weapons of mass destruction | 4 |