Scientific apparatus and instruments, namely, chromatography columns for use in purification in the laboratory and parts and fittings therefor; Measuring instrumentation and apparatus, namely, digitizers; control apparatus and instruments, namely, cameras; Electronic detection apparatus and instruments, namely, electrochemical oxygen monitors and sensors for environmental use; Apparatus for recording, editing, transmission or reproduction of sound and images, namely, slide and photograph projection apparatus; Electric sensors; Electronic sensors for measuring solar radiation; Magnetic sensors; Electric, electronic and magnetic pressure, speed, motion, temperature, position and vibration sensors; Apparatus and instruments for measuring the mechanical properties of materials; Data processing equipment, namely, couplers; Computers; Downloadable computer software, recorded featuring information pertaining to vibration sensors; Downloadable computer software, featuring launch calculation codes for systems and mechanisms used in aerospace propulsion; Downloadable design software used for competitions pertaining to planning and monitoring of installations for dismantling, disassembling materials and equipment containing energetic materials; Telecommunications apparatus in the nature of wireless receivers in the form of jewelry; Satellites; GPS data logger for determining and recording, the heading, speed and distance of a car, truck, land vehicle, train, airplane, namely, transport satellites; Electric and electronic fuel filter monitoring apparatus and equipment, namely, fuel gauges; Lasers not for medical purposes; Regulating and safety accessories for fuel pumps and installations, as well as fueling installations, namely, fuel pump testers