#chuck  a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
  supertype:  holding_device__holdingdevice  a device for holding something
  subtype:  collet_chuck  a cone-shaped chuck used for holding cylindrical pieces in a lathe
  part of:  drill  electric_drill  lathe
  part:  jaws  holding device consisting of one or both of the opposing parts of a tool that close to hold an object

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