| Similarity | Rank | |
|---|---|---|
| coking | 0.833 | 94487 |
| coal-fired | 0.820 | 36383 |
| smelters | 0.816 | 94259 |
| Coal | 0.797 | 17487 |
| ore | 0.797 | 12731 |
| smelting | 0.796 | 58389 |
| shale | 0.795 | 17984 |
| smelter | 0.793 | 59172 |
| mining | 0.782 | 4846 |
| bauxite | 0.780 | 69989 |
| gasification | 0.777 | 64900 |
| gas | 0.773 | 1338 |
| mines | 0.764 | 10663 |
| refineries | 0.759 | 30816 |
| petroleum | 0.757 | 13215 |
| oilsands | 0.755 | 96475 |
| tailings | 0.753 | 49890 |
| refinery | 0.752 | 24048 |
| fossil-fuel | 0.752 | 91442 |
| uranium | 0.747 | 14132 |
| gas-fired | 0.747 | 70372 |
| quarrying | 0.735 | 72156 |
| slag | 0.732 | 40964 |
| fuels | 0.730 | 9417 |
| methane | 0.723 | 19799 |