Etching is described as the use of chemicals to achieve a surface treatment.In terms of printing and drawing, it is printing process in which chemical agents are used to deepen lines drawn onto a printing plate.

-see also:
"Etching" is in the UNSPSC Code "42142524"
  Etching needles or sets
Ref: 123919/2006-10-03

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List of books: Etching

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