| because of its recyclable nature | 8 | cause |
| aluminum → be → material | 32 |
| aluminum → be → the material | 12 |
| aluminum → be → main material | 6 |
| negative | neutral | positive |
| 0.039 | 0.535 | 0.426 |
| Raw frequency | 50 |
| Normalized frequency | 0.634 |
| Modifier score | 0.800 |
| Perplexity | 56.656 |