9 Signal conditioning and communication devices for industrial process control; Inspection machines for the physical inspection of duct, drain and sewer; Metal detectors for industrial or military purposes; Endoscopic equipment for industrial purposes; Cable locators; Endoscopy cameras for industrial purposes; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Electronic apparatus for the remote control of industrial operations; Electronic instruments for use in remote inspection and measurement of industrial components using remote visual devices; Rigid and flexible endoscopes for non-medical use; Inspection mirrors; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Telescopic inspection mirrors for automotive use; Digital cameras for industrial use; Electro-optical instruments for use in inspection and measurement of industrial components; Magnetic locators; Borescopes