| from the general waste stream | 8 | location |
| in a zinc concentrate | 6 | other |
| rarely | 4 | degree |
| metal → be → recovered | 56 |
| metal → be → recoverable | 3 |
| negative | neutral | positive |
| 0.097 | 0.672 | 0.232 |
| Raw frequency | 59 |
| Normalized frequency | 0.547 |
| Modifier score | 0.700 |
| Perplexity | 177.909 |