| from an elastic material | 11 | other |
| from urethane | 6 | other |
| from polymeric materials | 6 | other |
| membrane → be → formed | 88 |
| membrane → be formed for → example | 5 |
| negative | neutral | positive |
| 0.067 | 0.827 | 0.105 |
| Raw frequency | 93 |
| Normalized frequency | 0.650 |
| Modifier score | 0.900 |
| Perplexity | 358.711 |