| friction → HasSubevent → stiffness | 0.34 | |
| friction → HasSubevent → swelling | 0.34 | |
| friction → HasSubevent → an oil field fracturing process | 0.28 | |
| friction → HasSubevent → the tenderness | 0.28 | |
| friction → HasSubevent → further strategic mistrust | 0.16 | |
| friction → HasSubevent → reduction | 0.16 |