| Answer | Crossword Clue |
|---|---|
| TIRE | Inner tube's surrounding |
| BRONCHI | Inner tubes |
| AORTAS | Inner tubes? |
| TORI | Inner tubes, geometrically |
| BORE | Tube's inner diameter |
| TORI | Inner tubes, topologically |
| TORIC | Like inner tubes |
| TORI | Inner tubes, e.g. |
| BUTYL | Rubber used in inner tubes |
| BUTYL | Rubber used for inner tubes |
| BUTYL | Synthetic rubber used in inner tubes |
