Related Clues:
- Loud bell sounds
- Large water conduits
- Water or gas followers
- Big Ben sounds
- Big water pipes
- They're located in cockpit as source of power
- Crews installing current for power supply
- Electricity supply
- Distribution network seen in cockpit
- Pipes in house satisfactory (a hiss is eliminated)
- Water, gas or electricity supply
- In house, given consent, has replaced pipes
- House connected to well has complex pipes
- Sounds from Big Ben
- Stoners' purchases