Aquatint: it is an etching process on copper or steel by means of nitric acid. in this technique a thin layer of resin dust is sprinkled on the plate and heated to make it adhere.

水彩色调：用硝酸在钢片或铜片上作腐蚀的蚀刻法。这个技巧是在版面上洒上一层薄薄的树脂粉，加热把它粘附于版面。

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The Parsons show will feature a piece that now has special meaning to her: Two years ago, one of her friends made an edition of 10 prints from a copper-plate etching she had made.

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