| Clue | Source | Date |
|---|---|---|
| Barbecue receptacles | The Washington Post | 21 Aug 2021 |
| Barbecue receptacles | LA Times Daily | 21 Aug 2021 |
| Fireplace receptacles | New York Times | 16 Sep 2017 |
| Barbecue receptacles | The Washington Post | 22 Jan 2017 |
| Fireplace receptacles | ||
| Barbecue parts | ||
| Parts of furnaces or stoves. | ||
| Boiler sections under grates. |