| properly | 11 | manner |
| without degrading for long periods | 8 | temporal |
| directly above | 7 | location |
| chemical → be → stored | 134 |
| chemical → be used in → storage | 11 |
| chemical → be in → storage | 4 |
| chemical → require → storage | 3 |
| negative | neutral | positive |
| 0.304 | 0.618 | 0.078 |
| Raw frequency | 152 |
| Normalized frequency | 0.653 |
| Modifier score | 0.840 |
| Perplexity | 61.647 |