37
General building construction works; upholstering; machinery installation; electrical maintenance and repair works; telecommunication wiring; repair or maintenance of vessels; aircraft maintenance or repair; repair or maintenance of automobiles; repair or maintenance of movie projectors; repair or maintenance of elevators and lifts; repair or maintenance of fire alarms; repair or maintenance of photographic machines and apparatus; repair or maintenance of office machines and apparatus; repair or maintenance of air-conditioning apparatus; repair or maintenance of computers; repair or maintenance of central processor units and peripheral equipment including electronic circuits and magnetic disks with computer programs; telephone repair; repair or maintenance of construction machines and apparatus; burner maintenance or repair; repair or maintenance of boilers; pump repair or maintenance; repair of radio or television sets; repair or maintenance of freezing machines and apparatus; repair or maintenance of process control equipment; repair or maintenance of plant control equipment
42
Providing computer technical and operational information; computer programming; computer software maintenance; updating of computer software; technical research and development; machinery research and development; electrical research and development; architectural research and development; research and development of civil engineering [for others]; research and development of urban planning [for others]; research and development of prevention of environmental pollution; rental of scientific instruments and equipment; rental of optical instruments and equipment; rental of measuring instruments and equipment; rental of diagnostic instruments and equipment; rental of computers; rental of computer peripheral equipment; rental of computer software; guidance and advice of designing, writing and maintaining of the computer programs for improving production efficiency, and the design of the machinery and device for improving production efficiency; remote monitoring of the computers and computer programs (including central processing unit, and electronic circuits, disks, tapes and other peripheral devices for storage of computer programs) designing of computer software for automatic control apparatus; remote monitoring of computer automatic control apparatus, and providing related information thereof; designing, writing and maintaining of the computer programs or computer system, and providing related advice thereof; providing computer programs; designing, developing and consulting of computer network system; providing information about the designing, writing or maintaining of the computer programs relating to the defense systems from unauthorized access and the protection of computer network security; guidance and advice of environment setting, installation and expansion, adding of the function relating to computers and computer programs, and computer introduction; consultancy about computer systems; providing information about the application methods and operation methods through terminal communication computer and internet