surveying, optical, measuring, signalling and checking (supervision) apparatus and instruments, in particular gear measuring devices, distance measuring systems, position detection systems, measuring tapes, rulers; Electronic control systems for mixing installations; Electronic controls, in particular for cranes of all kinds, earthmoving equipment of all kinds and machine tools; Controllers for support systems for construction equipment, in particular mobile cranes; motor control apparatus; Driver assistance systems and parts therefor, in particular display monitors, cameras; Controllers and regulators for air conditioning apparatus and heating vents, converters; Travelling gear and bogie controls; Software and control software for air conditioning installations and heating vents for rail vehicles; Software, in particular diagnostic software for air conditioning installations and heating vents for rail vehicles; Flight supervision devices; Flight control devices; Flight simulators for aeronautical machines; Control computers for aircraft equipment systems, in particular activation systems and air conditioning systems; Nose guiding systems; Switching power supplies, sensors for current, voltage, position and other variables; Frequency converters for controlling engines and motors; Active mains rectifiers with feedback possibilities; Capacitor modules for energy buffering; Double layer capacitors; Battery modules for energy buffering; DC/DC actuators; Electronic components; Control electronics; Data transmission systems; Complete switching installations for control and drive technology; Visualisation systems; User interfaces for machine controls, in particular for control of toothed machines; Humidity meters; Simulators, in particular crane simulators and crawler simulators; Cable test stations; Pocket calculators; Software; Mouse pads; Eyeglasses and cases therefor; Test benches; Electrical and electronic devices, equipment and apparatus for the purposes of telematics, data processing and telecommunications, equipment and apparatus for broadcasting, reception and transmission of information, data processing equipment, computer terminals for telephone, cable, satellite and/or telematic networks; Terminals for telematics, carriers of all kinds for recording and reproducing sound, images or signals; Computers, micro-computers, computers, computer peripherals, memories for computers, modems, interfaces, printers, consoles, cables, video discs, optical discs, digital discs, laser devices, infra-red devices, ultrasound equipment, printed circuits; Devices for the capture, retrieval, recording, processing, storage, transmission, broadcasting, reception and reproduction of digital or non-digital information, data, text, sound and images; Software and hardware for the data connection of components in mobile work machines, in particular earthmoving machines, cranes and marine equipment; computers, microcomputers or internet applications; Analysis and diagnostic tools, apparatus for evaluating the operation of and/or faults with mobile work machines, cranes and marine equipment