|
contamination : 829 phrases in 61 subjects |
| Agriculture | 11 |
| Animal husbandry | 19 |
| Architecture | 3 |
| Automobiles | 12 |
| Aviation | 17 |
| Bridge construction | 1 |
| Business | 14 |
| Chemistry | 22 |
| Commerce | 3 |
| Construction | 2 |
| Desert science | 2 |
| Drilling | 15 |
| Earth sciences | 19 |
| Ecology | 42 |
| Economics | 4 |
| Electricity | 1 |
| Electronics | 61 |
| Energy industry | 1 |
| Engineering geology | 14 |
| Environment | 15 |
| Exhibitions | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Fishery fishing industry | 2 |
| Food industry | 11 |
| Food service and catering | 3 |
| General | 8 |
| Genetics | 1 |
| Geophysics | 1 |
| Human resources | 1 |
| Hydroelectric power stations | 4 |
| Information technology | 1 |
| International trade | 10 |
| Life sciences | 3 |
| Logistics | 1 |
| Metallurgy | 42 |
| Microbiology | 1 |
| Military | 1 |
| Name of organization | 11 |
| Nautical | 2 |
| Nuclear and fusion power | 8 |
| Nuclear physics | 23 |
| Nursing | 6 |
| Oceanography & oceanology | 2 |
| Oil / petroleum | 28 |
| Plastics | 1 |
| Polymers | 1 |
| Rail transport | 3 |
| Refrigeration | 3 |
| Scientific | 1 |
| Securities | 1 |
| Shipbuilding | 1 |
| Space | 42 |
| Statistics | 1 |
| Steel production | 1 |
| Surgery | 2 |
| Technology | 262 |
| Textile industry | 8 |
| United Nations | 8 |
| Water resources | 28 |
| Welding | 1 |
| Wind Energy | 15 |