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Although the glass is transparent and beautiful, it is not easy to store and must be placed carefully. In fact, among all the cups, the glass is the healthiest.
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Air bubbles: A certain number of air bubbles with a certain width and length are allowed, while air bubbles that can be pierced with a steel needle are not allowed to exist.
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The Main Structure Of The Glass
Due to the similarities and differences of glass materials, the main patterns of patterns are screen printing and flower paper baking.