Related Clues:
- Boring-tool
- Doctor needing doctor on parade-ground?
- Train that's electric
- Train bore?
- Bore a hole
- Exercise by repeated practice
- Poker of holes in 'sure-fire' guarantee, partly retracted
- Not all of the harnessing
- Hand-tool for boring holes in wood
- Training
- Doctor with invalid -- one likely to be boring
- Military training
- Make a hole in material
- Said fortune-teller�s boring tool
- Boring aspect of army life