Related Clues:
- Tidal patterns, e.g
- Works on theme setting on machine
- Revolution - form of transport
- Transport - series
- Travel (on wheels)
- Recurring set of events
- Repeating sequence
- Sequence of events that repeats
- Recurring pattern of events
- Repeated series of events
- Economist's study
- To keep going around you need your feet
- Rinse and dry
- Four seasons, e.g
- Pedals