Cleaning the interior of aircraft; construction of airports; building consultancy and building project management; maintenance and repair for others of airport-related equipment and airport buildings; all included in class 37

Telecommunications; all included in class 38

Loading of and unloading of aircraft with luggage, letters and freight; transportation of passengers, luggage, letters and freight between aircraft and terminals; furnishing technical equipment on the basis of agreements, namely vehicles for starting turbines via pressurised air, ground electric generators and passenger escalators; supply of aircraft with water and removal of faeces; dragging aircraft on the airport ground; receipt of and checking arriving freight; presentation of the freight documents at the customs; storage of freight; preparation of delivered freight for emplanation; issuance of airfreight documents and other freight documents; assembling freight for departure; handling arriving and leaving letters, namely taking over, checking and handing over letters in accordance with accompanying documents; passenger information services and guiding services for passengers on airports; check-in; checking the passengers' travel documents (all before-mentioned services in the field of servicing aircraft, letters and passengers); all included in class 39

Consultancy, namely technical consultancy on the construction of airports, technical investigation consultancy on the workability of the establishment of airports, on the location of airports and on the airspace of an air traffic region; preparation of technical expert reports; scientific investigations relating to technical aspects of the management and operation of airports; architectural design; civil engineering; preparation of development schemes, general extension schemes and schemes for environmental protection for airports and air traffic regions; all included in class 42