Related Clues:

• This goes up and down, round and round
• Source of spin -- rubbish, alternatively
• One may raise chopper
• It's essential to a helicopter going up or down
• Helicopter propeller
• It's rubbish or it goes round either way
• Turner that looks the same hung upside-down
• Only moving part of a Tesla engine
• Spinning machine part
• Spinner on a chopper
• Foil, e.g
• Blade cuts both ways?
• Withdraw from euro to revalue what's in circulation
• Protestors release pests with kind of blade
• A razor has one