VALVE
| Date | Clue |
|---|---|
| 2026-09-23 | Part of a heart or faucet |
| 2024-01-16 | Device on a duct |
| 2022-03-18 | Key for a trumpet |
| 2021-02-22 | On/off device |
| 2021-02-10 | One of four in the human heart |
| 2015-09-17 | Gas regulator |
| 2006-02-21 | Pipe attachment |
| 2002-09-12 | Spigot, essentially |
| 2002-09-03 | Trumpet feature |
| 2002-01-23 | Pipe feature |
| 1995-10-29 | Water regulator |
| 1995-08-25 | Escape facilitator |