Which of these annoying noises would you rid the world of?

Topic: Stateoftheworld / Click on Your Choice and View Results

 Babies crying
 
 Nails on chalkboard
 
 People blasting music
 
 Vehicles horns and alarms
 
 Vacuum cleaners
 
 Construction work
 
 Loud silencers on motorcycles (e.g. Enfield bullet)
 
 Flies buzzing around
 
 People tallking loudly on public transport