Scientific apparatus and instruments, namely, x-ray diffraction and x-ray fluorescence materials analyzers, manual and automatic equipment for the preparation of materials samples for laboratory analysis, namely, grinding mills, fusion and ignition units, presses; nautical apparatus and instruments, namely, marine satellite navigational systems, namely, global positioning systems; surveying apparatus and instruments, namely, satellite navigational systems, namely, global positioning systems; electric apparatus and instruments, namely, electric hair curlers and hot brushes, electric hair curling irons, electric irons, steam irons, electric cables, coaxial cables; electric light dimmers and switches, electric light track and trunking, electrical controllers, electric luminaries, pc cameras, fiber optics; optical apparatus and instruments, namely, laser scanners, optical scanners, optical inspection apparatus for industrial use; measuring apparatus and instruments, namely, opto-acoustic, photoluminescence and ellipsometric metrology instruments for industrial use, calibrators, digital thermometers not for medical use; signaling apparatus and instruments, namely, cathode ray tubes, x-ray tubes for industrial use, signal processors, video and tv signal generators, digital event recorders; checking apparatus and instruments, namely, electronic testing equipment, namely, oscilloscopes, time frequency and phase counters, resistance capacitance inductance meters, function generators, pulse generators, power supplies, probes, clamps and clamp meters, multimeters, megohmeters, electrical testers, voltage variation event recorders; lifesaving apparatus and instruments, namely, emergency warning lights; apparatus for recording, transmission or reproduction of sound or images, namely, video cameras and lenses, digital cameras, video recorders, namely, video cassette recorders, video cd recorders, dvd recorders, digital video recorders, video monitors, telephone apparatus, namely intercoms, multiplexers, loudspeakers, sound amplifiers, pre-amplifiers, audio mixers, microphones, radio transmitters, radio receivers, antennas, television sets, tv-video combinations, namely combination tv-video sets, dvd machines, cd players, cd writers, sound cards, stereo receivers, stereo tuners, stereo audio systems, namely stereos, audio cassette recorders, headphones, portable listening devices, namely, mp3 players, personal stereos and radios, remote controls for radios, televisions, stereos, audio tape recorders, video cassette recorders, dvd machines, cd players, cd recorders and antennas, projectors, namely, liquid crystal display projectors, photographic projectors, video projectors, dictating machines, fax machines, cordless telephones, cellular telephones; digital transmission systems, consisting primarily of electronic encryption generators, encoders, scramblers, multiplexers, magnetic coded cards, smart cards, and set-top boxes; digital receivers; video wall systems consisting primarily of automated event controllers and sequencers, video display screens, and LED display screens; and recording discs, namely, blank cds and dvds