Related Clues:
- Top boss quietly going up to keep chimney vertical
- Oversized device?
- Sound colour: black
- Tree said to be sound
- Absolutely straight
- Implement - agency
- Exactly - in a vertical line
- Person used by another
- Exactly - perpendicular
- Fathom - out-and-out
- Measure the depth
- Absolutely straight — sound
- Square or level
- Saw or ax
- Hardware store item