electronic computers, data processors, display units and parts and accessories therefor; access units, repeaters, bridges, concentrators, controllers and other data processing apparatus for use in data networking; electronic apparatus for telemetry and for remote control of industrial plant and of utilites; electrical and electronic control apparatus for heating, ventilation, air conditioning and other environmental variables; computer software on magnetic discs or other carriers; electric circuit boards, with or without components thereon; connectors and other components for use with circuit boards; cabinets, boxes and other enclosures for computers and for other electronic and communications equipment; and electric and optical cables and connectors for use with any of the above

apparatus for heating ventilation, air conditioning and environmental control generally

service of writing and developing computer programs; consultancy and design services relating to the design and installation of computer systems, particularly local area networks, to telemetry and remote control, to heating, ventilation, air conditioning and other environmental control systems; and the design of electric circuit boards and accessories thereto