| more resource | 7 | degree |
| often | 5 | degree |
| with protective barrier properties | 4 | other |
| plastic → be → efficient | 22 |
| plastic → be → more efficient | 5 |
| plastic → be → efficient materials | 4 |
| negative | neutral | positive |
| 0.145 | 0.277 | 0.578 |
| Raw frequency | 31 |
| Normalized frequency | 0.418 |
| Modifier score | 0.600 |
| Perplexity | 138.028 |