Construction; installation of machinery; installation of machines; installation of computerized information systems; installation of computers; installation of medical apparatus; repair or maintenance of electronic machines and apparatus; installation, maintenance and repair of computer hardware; repair or maintenance of telecommunication machines and apparatus; repair or maintenance of medical apparatus and instruments; providing information relating to the repair or maintenance of medical machines and apparatus.

Teaching; medical training and teaching; training in the use of surgical, medical, dental and veterinary instruments and apparatus.