| Answer | Crossword Clue |
|---|---|
| ASBESTOS | Old building substance |
| CEMENT | Calcined building substance. |
| PROTEIN | Energy-building substance |
| SAND | Substance for castle-building. |
| LYE | Old cleaning substance |
| ETHER | Old operating-room substance |
| ETHER | Old operating room substance |
| ETHER | Operating room substance of old |
| TAR | Substance used in an old punishment |
