#moldboard_plow__moldboardplow__mouldboard_plough  plow that has a moldboard
  supertype:  #plow__plough  a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing
  subtype:  #lister_plough  moldboard plow with a double moldboard designed to move dirt to either side of a central furrow
  part:  #colter__coulter  a sharp steel wedge that precedes the plow and cuts vertically through the soil
  part:  #landside  component consisting of a side piece opposite the moldboard
  part:  #moldboard__mouldboard  wedge formed by the curved part of a steel plow blade that turns the furrow
  part:  #plowshare__ploughshare__share  a sharp steel wedge that cuts loose the top layer of soil

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