9 Optical measuring, measuring, signalling, display, checking and supervision instruments for monitoring gas or liquid flows and/or for monitoring machine functions, for non-medical purposes, namely, gas sensors for monitoring gas concentration, gas flow monitors, liquid sensors for monitoring liquid concentration, liquid flow monitors; solenoid valves being electromagnetic switches; automatic throttle valves for pressure control; electric switches, namely, pressure switches, differential pressure switches, vibration switches and proximity switches; pressure transmitters; pressure gauges; capsule element pressure gauges; pressure sensors; thermocouples; temperature indicators; temperature probes in the nature of temperature sensors, temperature indicators; thermometers not for medical purposes; resistance thermometers not for medical purposes; bimetallic strip thermometers not for medical purposes; revolution counters in the nature of apparatus for measuring the number of revolutions completed by a revolving machine part; apparatus for monitoring the vibration of rotors, namely, vibration meters; vibration gauges in the nature of vibration meters; vibration sensors; gas measuring apparatus, in particular flowmeters; transformers, in particular ignition transformers; fire sensors in the nature of fire detectors; fire detection devices, namely, fire detectors; spark electrodes; electronic display instruments, namely, electronic display interfaces; frequency converters; optical lenses made of quartz; electric switch cabinets; electric cables; electric connectors and connections, in particular plugs, sockets and other contacts being electric connections; component parts of the aforesaid goods; recorded computer software for monitoring air pollutant removal machines; downloadable computer software for monitoring air pollutant removal machines; recorded computer software for regulating and controlling air pollutant removal machines; downloadable computer software for regulating and controlling air pollutant removal machines; recorded software for controlling gas or liquid flows; downloadable software for controlling gas or liquid flows; LAN (local area network) hardware for providing access points for connecting network computer users; apparatus for transmitting data and data communication; apparatus for vibration measuring and/or vibration monitoring and/or machine monitoring purposes, namely, vibration meters, vibration sensors; recorded computer application software for accessing cloud computing services; downloadable computer application software for accessing cloud computing services; recorded computer application software for the planning and control of air cleaning machines for use in industrial production processes and/or machines by means of a cloud; downloadable computer application software for the planning and control of air cleaning machines for use in industrial production processes and/or machines by means of a cloud; recorded computer application software to monitor data in a cloud; downloadable computer application software to monitor data in a cloud; data processing apparatus in the nature of data processors with artificial intelligence; audio-recorders; video-recorders; recorded augmented reality software for use in mobile devices for integrating electronic data with real world environments for the purpose of predictive maintenance of industrial machines; downloadable augmented reality software for use in mobile devices for integrating electronic data with real world environments for the purpose of predictive maintenance of industrial machines; communication interface units, namely computer network interface devices; communication networks in the nature of LAN (local area network) and WLAN (Wireless Local Area Network) for connecting portable computer devices to computer networks; recorded communication software for connecting computer network users; downloadable communication software for connecting computer network users; recorded communication software for connecting global computer networks; downloadable communication software for connecting global computer networks; computer database servers, data entry and data output terminals; recorded computer programs and computer software application programs for data processing, data transmission and data analysis; downloadable computer programs and computer software application programs for data processing, data transmission and data analysis; recorded computer programs for browsing and searching online databases; downloadable computer programs for browsing and searching online databases; recorded computer programs for data storage; downloadable computer programs for data storage; recorded computer programs for operating systems and network operating systems; downloadable computer programs for operating systems and network operating systems; recorded computer software for mobile phones, namely, for controlling industrial machinery; downloadable and recorded computer software for mobile phones, namely, for controlling industrial machinery; recorded computer software for the remote control of industrial machinery; downloadable computer software for the remote control of industrial machinery; recorded computer utility programs for data compressions; downloadable computer utility programs for data compressions; recorded computer programs for accessing online databases; downloadable computer programs for accessing online databases; recorded data and image processing software for making three dimensional models; downloadable data and image processing software for making three dimensional models; data collection devices, namely, electronic data recorders and mobile data receivers; recorded data communication software for transmitting data; downloadable data communication software for transmitting data; recorded data compression software; downloadable data compression software; electronic data loggers and recorders; mobile data terminals (MDT); data networks and networks for data transmission in the nature of computer networking hardware, network servers; data storage devices, namely, blank digital storage media; data storage media for smartphones, namely, blank digital storage media; devices for cloud computing, cloud networks or IoT (Internet of things) for mechanical engineering, namely, computer network servers, network access server hardware; devices for computer networks and data communication, namely, computer network servers, network access server hardware; devices for network management control, namely, computer network servers, network access server hardware; diagnostic apparatus and installations constructed thereof, namely, diagnostic apparatus for testing the proper functioning of industrial machines and components of industrial machines; blank digital data storage media; downloadable software applications for operating three dimensional printers; downloadable software for the transmission of data; electric and electronic controls for dryers for drying and hardening lacquers and paints on lacquered or painted objects; electricity conduits; electronic sensors for detecting pollutants in an airstream and sensor controllers for use therewith; electronically stored data in the nature of data carriers containing stored data in relation to industrial machinery diagnostic test results; encryption devices in the nature of electronic encryption units; computer networking hardware and computer hardware, computing equipment, namely, computers and downloadable databases for computer systems in the field of industrial machinery maintenance schedules; interface devices, namely, computer network interface devices; computer network-attached storage hardware (NAS), local area network (LAN) hardware; optical sensors; computer peripheral devices for data duplication; instruments for physical measurements, namely, barometers, voltmeters, manometers, hygrometers; wireless radio transmission devices; recorded content in the nature of data sets in the field of industrial machinery maintenance schedules recorded on computer media; remote control apparatus, namely remote controls for industrial machines and components thereof; radio receivers for remote controls; remote control transmitters for radio-controlled devices; safety devices for use with manufacturing machines, namely, safety light barriers, safety light switches, shielding hoods in the nature of protective industrial barriers, and actuating devices therefor, namely electric actuators; digital position, optical, thermal temperature, motion and pollutant sensors for measurement technology related to cloud computing, cloud networks or IoT (Internet-of-things); digital position, optical, thermal temperature, motion and pollutant sensors for measurement technology; recorded software for operating industrial machinery; downloadable software for operating industrial machinery; recorded interactive software for the exchange of information among software users; downloadable interactive software for the exchange of information among software users; recorded virtual reality software for remote maintenance of industrial machines; downloadable virtual reality software for remote maintenance of industrial machines; recorded software and applications for mobile terminals for operating industrial machinery; downloadable software and applications for mobile terminals for operating industrial machinery; recorded software for authorizing access to databases; downloadable software for authorizing access to databases; recorded software for communication between computers over a local network; downloadable software for communication between computers over a local network; recorded software for data processing; downloadable software for data processing; recorded software for reviewing data research; downloadable software for reviewing data research; recorded software for generating augmented reality experiences; downloadable software for generating augmented reality experiences; recorded software for accessing graphical user interfaces; downloadable software for accessing graphical user interfaces; recorded software for accessing host and gateway systems; downloadable software for accessing host and gateway systems; recorded software for industrial applications, namely, for operating industrial machinery; downloadable software for industrial applications, namely, for operating industrial machinery; recorded software for industrial process control; downloadable software for industrial process control; recorded software for predictive maintenance of industrial machinery; downable software for predictive maintenance of industrial machinery; recorded software for use in conjunction with industrial production and/or production planning, namely for computer-aided design; downloadable software for use in conjunction with industrial production and/or production planning, namely for computer-aided design; switch cabinets being cabinets specially adapted to electric switches; tablet monitors; electrical transducers, namely, displacement, vibration speed and acceleration transducers; gas composition sensors in the nature of gas sensors for measuring gas concentration; electric actuators