9 Optoelectronic measuring devices, apparatus, and instruments for monitoring, recording, and regulating torque, angle, weight, rotation, force, force transduction, position, distance, tilt, incline, pressure, pressure transduction, flow, liquid flow, level, liquid level, path and acceleration; Electric or electronic sensors for sensing torque, angle, weight, rotation, force, force transduction, position, distance, tilt, incline, pressure, pressure transduction, flow, liquid flow, level, liquid level, path and acceleration; Industrial automation controls; Apparatus for recording, transmission or reproduction of sound and images; Blank magnetic data carriers, and blank recordable optical discs; Prerecorded compact discs, DVDs, and recordable optical discs featuring music; Mechanisms for coin-operated apparatus; Cash registers, calculating machines, data processing equipment, computers; Downloadable and recorded computer software for data collection, data analysis, operating system programs, and visualization; Fire-extinguishing apparatus; Lighting-technology-based sensors, namely, rotation rate sensors, pressure sensors, altitude angle sensors, path sensors in the nature of sensors for determining position, force sensors, angle sensors, acceleration sensors, liquid level sensors; Apparatus and instruments for measuring rotation rates, pressure, filling levels, forces, acceleration and angles; Protractors being measuring instruments; Rotation rate meters; Pressure gauges