37
repair or maintenance of printing machines, post press machines and prepress machines; maintenance and repair of computer networks; upgrading of computer hardware; cleaning of printing machines, post press machines and prepress machines
39
distribution services, namely, delivery of spare parts for printing machines, post press machines and prepress machines
41
providing online courses, seminars, and workshops in the field of printing equipment; training services in the field of printing press operation; education in the field of printing presses rendered through correspondence courses; training in the use and operation of printing machines, post press machines and prepress machines
42
inspection of printing machines, post press machines and prepress machines; diagnostic services in the field of printing machines, post press machines and prepress machines; computer software design, computer programming, or maintenance of computer software; installation of computer software; technical support services, namely, troubleshooting of computer hardware and software problems; integration of computer systems and networks; planning, development and technical support of electronic communications networks; technical support, namely, monitoring of network systems
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