#engraving__etching  making engraved or etched plates and printing designs from them
  supertype:  #printmaking  artistic design and manufacture of prints as woodcuts or silkscreens
  subtype:  #steel_engraving__steelengraving  the act of engraving on a steel plate
  subtype:  #aquatint  a method of etching that imitates the broad washes of a water color

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