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Today s objectives-glass and clay products and processing

History of Glass. The history of the origin of glass can be categorized by periods according to the methods of the manufacturing process as follows: The First Period: 1700 BC through 100 ADPrimitive method of making glass using molds. The Second Period: 100 AD through 400-500 ADGlassblowing tech

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Today s objectives-glass and clay products and processing

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    1. Today’s objectives-glass and clay products and processing

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