Upkeep, overhauling, maintenance, cleaning, washing, repair, renovation, conversion, [ fitting of land vehicles], of aircraft, as well as their components; upkeep, overhauling, maintenance, cleaning, washing and repair of aircraft engines, and aeronautical, avionic, hydraulic apparatus, pneumatic apparatus, equipment and parts, all for aircraft; [construction, upkeep, cleaning and renovation of buildings, airport infrastructures, airports, air terminals, warehouses, garages, parking garages, ...