| for foundry moulds | 6 | purpose |
| from mineral sands | 3 | location |
| for refractory bricks | 3 | purpose |
| zircon → be → produced | 4 |
| zircon → be used in → the manufacturing process | 4 |
| zircon → be → processed | 3 |
| negative | neutral | positive |
| 0.090 | 0.856 | 0.054 |
| Raw frequency | 11 |
| Normalized frequency | 0.462 |
| Modifier score | 0.650 |
| Perplexity | 131.826 |