Possible Clues:

• Flows, of electricity say
• Flows of water or electricity
• Flows, of water or electricity
• Flows, of water say
• Flows, streams
• Continuous steady flows, of rivers say
• Water flows beneath the surface of sea or lake - swimmers beware
• Flows of electricity or water
• Underwater streams, may be dangerous
• 'Flows, of electricity say (8)'