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PROVIDING THE TECHNICAL DESIGN OF RAW GLASS FOR INDUSTRIAL APPLICATIONS; DESIGNING SEMI-FINISHED GLASS PRODUCTS IN THE FORM OF PORTIONED OR PREFORMED GLASS PARTS, NAMELY, LENSES, PRISMATIC BODIES, GRANULATE, GOB OR OPTICAL RODS; DESIGNING OPTICAL COMPONENTS MANUFACTURED FROM THESE SEMI-FINISHED GLASS PRODUCTS, NAMELY, LENSES, PRISMS, FREE-FORM LENSES WHICH ALL HAVE BEEN GROUND OR BLANK-MOLDED