Engraving is an artístic technique, although print and matrix action also receives this name. Because of the limited edition and craft production, engraving is between a work of art and an unlimited industrial reproduction. Engraving is a technique to print artístic images on paper. It is made with plates of different materials. Depending on the material the technique receives different names: wood (xylography), copper or bronze (chalcography), stone (litography), linoleum (linography), silk or nylon (serigraphy).