9 Scientific apparatus and systems, namely-- surveillance and target tracking systems, namely, security cameras, motion detectors, acoustic sound detectors, audio and video recorders, and electronic signature monitors; secure video conferencing products, namely, cameras, telephones, microphones, and telephone and electronic connections therefor; fire detection and prevention systems, namely, fire and smoke monitors, fire and smoke alarms, and fire extinguishers; remote controlled camera's; video and audio recorders; communication equipment, namely, transmitters, receivers, and radios; clinical laboratory and laboratory instrument automation systems, namely, tissue processors for preparing and preserving tissue samples, slide loaders, tissue stainers, laboratory equipment for conducting immuno-histochemical and in-situ hybridization reactions