PROVIDING PRE- AND POST-SALE TRAINING REGARDING THE INSTALLATION, OPERATION, MAINTENANCE, REPAIR AND UPGRADING OF MACHINERY AND ASSOCIATED SOFTWARE USED IN FABRICATING FENESTRATION PRODUCTS, NAMELY, GLASS PANELS, WINDOWS AND WINDOW COMPONENTS INCLUDING VINYL, ALUMINUM AND WOOD COMPONENT MATERIALS, GLASS DOORS AND INSULATED GLASS UNITS FOR WINDOWS AND DOORS; TECHNICAL SUPPORT SERVICES, NAMELY, PROVIDING PRE- AND POST-SALE TECHNICAL ADVICE REGARDING THE INSTALLATION, OPERATION, MAINTENANCE, REPAIR AND UPGRADING OF MACHINERY USED IN FABRICATING FENESTRATION PRODUCTS, NAMELY, GLASS PANELS, WINDOWS AND WINDOW COMPONENTS INCLUDING VINYL, ALUMINUM AND WOOD COMPONENT MATERIALS, GLASS DOORS AND INSULATED GLASS UNITS FOR WINDOWS AND DOORS; "INDUSTRIAL AUTOMATION"; TECHNICAL SUPPORT SERVICES, NAMELY, PROVIDING PRE- AND POST-SALE TECHNICAL ADVICE RELATING TO INSTALLATION, OPERATION, MAINTENANCE, REPAIR OF SOFTWARE USED IN FABRICATING FENESTRATION PRODUCTS, NAMELY, GLASS PANELS, WINDOWS AND WINDOW COMPONENTS INCLUDING VINYL, ALUMINUM AND WOOD COMPONENT MATERIALS, GLASS DOORS AND INSULATED GLASS UNITS FOR WINDOWS AND DOORS