Portable metal airport buildings, and metal structural parts therefore, namely, floors, walls, ceiling, and extension braces; portable metal airport expansion buildings, namely, non-motorized walkways, baggage loading/unloading bridges, terminal buildings and hold rooms, and metal structural parts therefore, namely, floors, walls, ceiling, and extension braces; portable metal airport expansions, namely, non-motorized walkways, baggage loading/unloading bridges, terminal buildings and hold rooms, and metal structural parts therefore, namely, floors, walls, ceiling, and extension braces; temporary portable metal airport buildings, and metal structural parts therefore, namely, floors, walls, ceiling, and extension braces; temporary portable metal airport expansion buildings, namely, non-motorized walkways, baggage loading/unloading bridges, terminal buildings and hold rooms, and metal structural parts therefore, namely, floors, walls, ceiling, and extension braces; metal structural parts for temporary portable metal airport expansions, namely, floors, walls, ceiling, and extension braces; portable airplane passenger loading bridges made primarily of metal

Transport systems for passenger boarding bridges, namely, movable mechanical passenger walkways for use in airports, motorized passenger boarding bridges, mechanical alignment actuators for controlling mechanical alignment between two objects, wheeled undercarriages for motorized passenger boarding bridges, wheeled undercarriage for motorized walkways for baggage loading and unloading; and control systems, namely, enclosed drives for all the foregoing goods

Electronic controllers for controlling motion of moveable mechanical passenger walkways in airports; electronic control systems for coupling with and controlling of passenger boarding bridges; electronic controllers for installation within and for controlling passenger boarding bridges; electronically operated visual docking guidance systems used for passenger boarding bridges; computer software for controlling moveable mechanical passenger walkways and passenger boarding bridges in airports; computer hardware used in conjunction with the foregoing

Maintenance of airport systems, namely, airplane passenger loading bridges, airplane passenger loading bridge control systems, apron drive passenger loading bridges, apron drive passenger loading bridge systems, airport building structures, aircraft docking systems, aircraft loading and unloading systems; installation of airplane passenger loading bridges, airplane passenger loading bridge control systems, apron drive passenger loading bridges, apron drive passenger loading bridge systems, airport building structures, aircraft docking systems, aircraft loading and unloading systems; maintenance of airport computer networks relating to airport maintenance and/or airport systems; consulting services relating to installation and maintenance of airport jet bridge, walkway, baggage loading/unloading bridge, terminal building and hold room systems; consulting services relating to installation and maintenance of control systems for airport jet bridges, walkways, baggage loading/unloading bridges, terminal buildings, and hold rooms; consulting services relating to installation and maintenance of airport building structures, airplane passenger loading bridges, airplane passenger loading bridge control systems, apron drive passenger loading bridges, apron drive passenger loading bridge systems