Look at this glass etching of the Little Mermaid.

看这件刻有小美人鱼的玻璃器皿。

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Additionally it is used as wetter in glass etching and acid bath for metal surface.

在玻璃蚀刻过程中作润湿剂，在金属表面处理酸浴过程中作润湿剂。

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Next door a laser cutter is zapping an etching into a glass bottle, and across the way someone is carving elegant curved strips of wood to make a wine carrier.

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This method allows better control of the thicknesses of the silicon and glass layers, but the etching is time-consuming and requires the costly sacrifice of a wafer for each one that is made.

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