Repair and maintenance of 3D printers; Repair of computer hardware; Repair of computers; Repair of consumer electric appliances; Repair of damaged computers; Repair of electronic apparatus; Repair of electronic machines; Repair of game machines and apparatus; Repair of office machines and apparatus; Repair of radio or television sets; Repair of telecommunication machines and apparatus; Repair or maintenance of computers; Repair or maintenance of office machines and apparatus; Repair or maintenance of office machines and equipment; Repair or maintenance of telephone apparatus; Camera repair; Computer hardware installation and repair, including mobile performance of such services on customer premises; Computer installation and repair; Consultation about the repair of computer hardware; Consulting in the field of maintenance and repair of telecommunications network hardware, apparatus, and instruments; Electric appliance installation and repair; Installation and repair of business and office machinery and equipment; Installation and repair of computer hardware; Installation, repair and maintenance of computers and computer peripherals; Installation, maintenance and repair of cell phone related hardware; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer printers; Installation, maintenance and repair of computer servers; Installation, maintenance and repair of Ethernet and wireless networking hardware; Maintenance and repair of computer networking hardware; Maintenance and repair of computer hardware; Maintenance and repair of telecommunications networking hardware, apparatus, and instruments; Repair or maintenance of telecommunication machines and apparatus; Technical support services, namely, troubleshooting in the nature of the repair of computer hardware; Telephone repair; Troubleshooting in the nature of repair of consumer electronics