| Clue | Source | Date |
|---|---|---|
| Supporting, with "up" | ||
| Supporting, with 'up' | New York Times | 08 Dec 2019 |
| Propping (up) | New York Times | 28 Jul 2019 |
| Propping (up) | ||
| Support system | ||
| Supporting posts | ||
| Support system | ||
| Dry-dock support | ||
| Bracing | ||
| Proper job for a supporter? | ||
| Propping timbers. |