semi-conductors; fire, smoke, gas, burglar alarms; lightning rods; surveying instruments; square rulers for measuring; distance measuring apparatus; radioactivity measuring apparatus; pressure measuring apparatus; ultrasonic thickness gauge; measuring rulers ; electric, optical, pressure, temperature sensor; electric navigational instruments; electric measuring devices, namely, clamp meters for measuring electricity, electric devices for measuring electric current, clamp meters for measuring electricity, digital multimeter, voltage testers, resistance meters, and capacitance meter; electronic video surveillance apparatus, namely, cameras, security mirrors for surveillance, security surveillance robots; electrolysers; electric door bells; capacitors in the nature of condensers; television apparatus for projection purposes; electric locks; electric theft prevention installations, namely, theft alarms, burglar alarms, electric locks; electronic notice boards; electronic chip cards, namely, blank electronic chip cards, encoded electric chip cards for identifying particular users of computers and mobile telephones; electronic slide calipers ; downloadable video recordings featuring music and artistic performances; pre-recorded DVDs featuring animated cartoons; circuit breakers and circuit closers; intercoms; lasers, not for medical purposes; thermometers other than for medical use; photographic, electrostatic, thermic photocopiers; knee-pads for workers; radiological apparatus for industrial purposes, namely, x-ray security scanners, x-ray fluorescent analyzers; industrial endoscope cameras; optical apparatus and instruments, namely, optical sensors, lamps, scanners, filters, fibers; light conducting filaments, namely, optical fibers; tachographs, namely, apparatus for recording vehicle distance, speed, and usage; weighing apparatus and instruments; chemistry apparatus and instruments, namely, laboratory glassware, laboratory chemical reactors, laboratory; columns for use in chemical synthesis; thread counters, geiger counters, and; air particle counters; downloadable computer software programs for data management, for on-line shopping and for processing electronic payments for others; downloadable computer software programs for use in software development, machine learning, and facial and speech recognition; computer network switches; computer network bridges; tape measures; video phones; downloadable software applications for mobile phones, for on-line shopping and for processing electronic payments for others; air analysis apparatus; electricity control panels; electronic access control systems for interlocking doors; measures, namely, electronic devices for measuring electric current, angle finders, laser distance meters, water temperature gauges, measuring spoons, measuring cups, pocket calipers for measuring, height measuring instruments; fire extinguishing apparatus; gas testing instruments; micrometer gauges; ear plugs for divers; heat regulating apparatus, namely, electric control devices for heating management; face identification apparatus, namely, biometric retina scanner for the security identification of persons; face identification apparatus, namely, biometric identification apparatus; biometric fingerprint door locks; video monitor; video screens; leveling rods being instruments for determining the horizontal; bathroom scales; voting machines; internet network router; radio receivers and transmitters; Radio receivers; radio signal tuners; wireless routers; smoke detectors; eyeglasses; counterfeit coin detectors; remote control for starters for power tools and air-conditioning apparatus; slide calipers; document printers for use with computers; speed indicators for vehicles; rearview cameras for vehicles; cameras for photography; smartphones in the shape of a watch; smart glasses; electronic ticket dispensers, namely, lottery and parking lot ticket dispensers, ticket issuing, reading and recording machines