Related Clues:
- Eg, Fermat or Napier
- Penetrative dye
- Material stopping leaks
- Dirty mark; dye
- Material for making airtight or watertight
- Discoloured mark
- Filler used to close a gap
- Unsightly mark
- Material used for an airtight or watertight join
- It should stop worker going on main line
- Discolour; blemish
- Material to stop leaks
- Bond shared between two creatures
- Mammal and insect getting closer?
- Impervious gap filler