Rustproofing; Repair or maintenance of computers; Technical support services, namely, technical advice related to the repair of electronic equipment; Installation, repair and maintenance of computers and computer peripherals; Repair of electronic apparatus; Computer hardware installation and repair, including mobile performance of such services on customer premises; Providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus, equipment and devices used for automated or partly automated industrial operations; Technical support services, namely, troubleshooting in the nature of the repair of computer hardware; Consultation about the repair of computer hardware; Consultancy relating to the installation, maintenance and repair of computer hardware; Installation, repair and maintenance of computer hardware and peripherals being computer support services; Provision of information relating to the repair or maintenance of electronic machines and apparatus; Installation and repair of electrical appliances; Technical consulting in the field of artificial intelligence (AI) hardware customization; Installation, maintenance and repair of electronic data processing apparatus