Related Clues:
- (Engine) sealing sheet
- Tow used for packing a piston
- Material to stop leaks
- Bond shared between two creatures
- Mammal and insect getting closer?
- Impervious gap filler
- Impervious filler
- Sealing sheet in an engine
- It provides a seal? Blow that!
- Thin seal
- Seal capture stopped by petition
- Material for plugging leaks
- Get over question from engineering ring
- O-ring, e.g
- Blow it, you must be mad!