 |
noun | noun | verb | adjective | to phrases
| sludge: 2157 phrases in 39 subjects |
| Agriculture | 51 |
| Animal husbandry | 6 |
| Architecture | 9 |
| Armored vehicles | 1 |
| Automobiles | 19 |
| Aviation | 1 |
| Bioenergy | 2 |
| Bridge construction | 2 |
| Business | 1 |
| Chemistry | 17 |
| Construction | 3 |
| Desert science | 2 |
| Drilling | 3 |
| Earth sciences | 49 |
| Ecology | 150 |
| Electronics | 25 |
| Engineering geology | 20 |
| Environment | 22 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 10 |
| Hydroelectric power stations | 8 |
| Life sciences | 1 |
| Metallurgy | 75 |
| Nautical | 12 |
| Navigation | 1 |
| Nuclear and fusion power | 3 |
| Oil / petroleum | 104 |
| Oil processing plants | 9 |
| Plastics | 1 |
| Polymers | 1 |
| Port facilities | 1 |
| Pulp and paper industry | 2 |
| Rail transport | 7 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 1385 |
| Textile industry | 13 |
| Waste management | 2 |
| Water resources | 133 |