Page 23 - Arlen Walsh
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     Manufacturing Process
               Double wall glass
               Hot cups are made by manufacturing two paper walls with an
               insulating air pocket between them.
               Aluminum injection molding
               Have gained favor among manufacturers seeking a balance between
               cost-effectiveness
               Polishing
               is the process of creating a smooth and shiny surface by rubbing it
               or by applying a chemical treatment, leaving a clean surface with a
               significant secular reflection
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