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colorful spiral
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Introduction to ancient-style glassware: The main component is silica, but it differs from ordinary glass in terms of content, and usually contains other metal oxides such as copper oxide and iron oxide. These metal oxides are key factors in determining the color of the glassware. It is produced using a high-temperature melting process and emphasizes manual processing. The manufacturing process is complex, involving the melting and manual shaping of various metal oxides, resulting in each piece of glassware being unique. As the main component is silica, if quality inspection departments classify the material based on the component (silica) and determine it as glass, those who are offended may comment.

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