Page 23 - Arlen Walsh
P. 23

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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