| Similarity | Rank | |
|---|---|---|
| ore | 0.805 | 8466 |
| furnace | 0.718 | 9739 |
| smelter | 0.709 | 29658 |
| non-ferrous | 0.707 | 45433 |
| potash | 0.701 | 28306 |
| bauxite | 0.693 | 34840 |
| coal | 0.687 | 1861 |
| copper | 0.682 | 3773 |
| manganese | 0.677 | 23079 |
| water-powered | 0.668 | 54041 |
| iron | 0.667 | 1940 |
| open-cast | 0.664 | 41720 |
| sulphide | 0.664 | 18525 |
| kiln | 0.663 | 13020 |
| tinplate | 0.661 | 49908 |
| fluorspar | 0.658 | 96715 |
| wheal | 0.658 | 39591 |
| saltpetre | 0.653 | 48916 |
| briquette | 0.653 | 53729 |
| alum | 0.650 | 27896 |
| alloprene | 0.647 | 83778 |
| kerosene | 0.645 | 31821 |
| charcoal | 0.644 | 9030 |
| water-wheel | 0.643 | 57071 |
| soot | 0.641 | 16717 |