#power_saw__powersaw__saw__sawingmachine  a power tool for cutting wood
  supertype:  #power_tool__powertool  a tool driven by a motor
  part:  #tooth_like_thing
  subtype:  #bandsaw  a toothed metal band driven by two wheels
  subtype:  #chain_saw__chainsaw__chainsaw  portable power saw; teeth linked to form an endless chain
  subtype:  #circular_saw__buzz_saw  a power saw that has a steel disk with cutting teeth on the periphery; rotates on a spindle
     subtype:  #portable_saw  a portable circular saw (with a hand grip)
  subtype:  #gangsaw  a power saw that has several parallel blades making simultaneous cuts
  subtype:  #jigsaw__scroll_saw__fretsaw  fine-toothed power saw with a narrow blade; used to cut curved outlines
  subtype:  #sawmill  a large sawing machine

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