Electronic components in the nature of infrared detectors for use in further manufacture; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Galena crystal detectors for use in electronics; Heat detection systems comprised of fiber optic linear loop configurations, heat detectors, monitors; Infrared detectors; Integrated circuits incorporating algorithms for use in processing television signals; Laser-beam-emitting device which projects right angles for construction purposes; Laser device for projecting a visible line on a work piece to be cut by a rotary power saw; Laser rangefinders; Laser tracers for application of conduction patterns to insulation media; Lidar apparatus; Measuring apparatus, namely, laser distance meters; Metal detectors; Motion detectors; Passive infrared detectors; Photoelectric sensors; Radar detectors; Red LED laser pointing devices that contain a subtle energy field; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Security control panels and motion detectors; Ultrasonic detectors for observing and measuring the infrared spectrum