
Glassmaking process includes three steps. Those are melting materials, shaping the melted materials, and cooling. At the beginning, sand, soda, and limestone are mixed and heated in a furnace, until all materials are melted. Then, the melted materials are divided to different places. The first portion is distributed into a roller and flattened. After the flat materials are cooled, we can take it as plate glass. The second portion is placed to a removable mould to be shaped. As the same time as the materials are being shaped, the mould is blown by cold air. After that, we get bottle glass.
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