Radios; Apparatus for transmission of communication; Electronic transmitters for jamming signals; Radar jamming apparatus; Scanners; Radiation detectors; Metal detectors for industrial or military purposes; Electromagnetic measuring detectors; Surveying apparatus; Depth gauges; Electronic devices for measuring electric current; Microphone jammers; Computer peripheral devices; Downloadable mobile applications for industrial automation and scientific and engineering data acquisition, control and analysis and for controlling, monitoring and emulating scientific and engineering instruments and instrumentation systems, and for performing instrumentation functions; Ultrasonic transmitters; Electronic chips for the manufacture of integrated circuits; Recorded computer software and hardware for use in the fields of industrial automation and scientific and engineering data acquisition, control and analysis and for controlling, monitoring and emulating scientific and engineering instruments and instrumentation systems, and for performing instrumentation functions, and instruction manuals sold therewith sold as a unit