#pickax__pick__pickaxe  a heavy iron tool with a wooden handle and a curved head that is pointed on both ends; "they used picks and sledges to break the rocks"
  supertype:  #edge_tool  any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)
  subtype:  #mattock  a kind of pick that is used for digging; has a flat baled set at right angles to the handle

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