Glass is made by several steps. Firstly, the compositions (sand, soda, and limestone) are mixed and melted at high temperature (about 3600 F) in the furnace. After amount of time, the mixed compositions will become liquid and it will be separated to become different kind of glass. The first one will become plate glass as it brought to the rollers. Another one will be brought into removable mould which is filled with air inside it so it will be bottle glass.
MINANURROHMAN
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