#bucket__pail  a roughly cylindrical that is vessel open at the top
  supertype:  #vessel  an object used as a container (especially for liquids)
  subtype:  #cannikin.bucket  #dinner_pail  #dredging_bucket  #kibble  #slop_pail  #wine_bucket
  part of:  #waterwheel__water_wheel__waterwheel  a wheel that rotates by direct action of water; a simple turbine
     part of:  #water_mill__watermill  a mill powered by a water wheel

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