42 Computer technology consultancy; Design and development of computer software; Maintenance and updating of computer software; Installation and integration of computer software; Development of computer software for logistics, supply chain management and e-commerce; Hosting of software platforms on the Internet; Hosting of e-commerce software platforms on the Internet; Hosting of software platforms for virtual reality-based work collaboration; Programming of software for e-commerce software platforms; Development of computer software for logistics, supply chain management and e-commerce for the flat glass industry; Hosting of e-commerce software platforms on the Internet for the flat glass industry; Programming of computer software for e-commerce software platforms for the flat glass industry