URETHANE
| Date | Clue |
|---|---|
| 2018-02-18 | Pesticide ingredient |
| 2009-08-29 | Bowling ball material |
| 2005-11-28 | Foam material |
| 2004-05-14 | Foam ingredient |
| 2002-10-12 | Skateboard wheel material |
| 1998-08-01 | Insulation ingredient |
| Date | Clue |
|---|---|
| 2018-02-18 | Pesticide ingredient |
| 2009-08-29 | Bowling ball material |
| 2005-11-28 | Foam material |
| 2004-05-14 | Foam ingredient |
| 2002-10-12 | Skateboard wheel material |
| 1998-08-01 | Insulation ingredient |