| Similarity | Rank | |
|---|---|---|
| metallurgical | 0.875 | 57534 |
| metalworking | 0.856 | 86847 |
| smelting | 0.825 | 58389 |
| non-ferrous | 0.761 | 91630 |
| beneficiation | 0.737 | 84070 |
| ores | 0.728 | 45442 |
| ferrous | 0.725 | 60186 |
| engineering | 0.715 | 2745 |
| ceramics | 0.711 | 21438 |
| brazing | 0.709 | 91005 |
| welding | 0.708 | 14254 |
| molybdenum | 0.701 | 65010 |
| metalwork | 0.695 | 72409 |
| bauxite | 0.693 | 69989 |
| petrochemical | 0.690 | 40327 |
| non-metallic | 0.690 | 89739 |
| alumina | 0.689 | 71666 |
| ore | 0.688 | 12731 |
| vanadium | 0.688 | 85004 |
| alloys | 0.687 | 29368 |
| industrial | 0.684 | 2827 |
| mining | 0.683 | 4846 |
| foundry | 0.683 | 40290 |
| machinery | 0.683 | 8032 |
| quarrying | 0.680 | 72156 |