| preferably | 4 | degree |
| to be corrosion-resistant | 3 | purpose |
| on plastic | 3 | location |
| base → be made of → aluminum | 19 |
| base → be made from → aluminum | 18 |
| base → be → aluminum | 8 |
| base → be made from → a cast aluminum material | 4 |
| base → be composed of → an aluminum alloy | 3 |
| negative | neutral | positive |
| 0.027 | 0.740 | 0.233 |
| Raw frequency | 52 |
| Normalized frequency | 0.661 |
| Modifier score | 0.500 |
| Perplexity | 47.774 |