9 Electrotechnical and electronic apparatus and installations for two-dimensional and three-dimensional surveying of materials, articles and living objects, namely, surveying machines and instruments; image recognition devices consisting of a camera, scanner or reader and image recognition software; data processing programs and computer software, in particular for controlling measuring and reading devices and cameras, for image recording and image recognition, for decrypting image data, and for evaluation and further processing of generated data; scanning and reading devices for codes, barcodes, labels and plain text, namely, optical scanners and optical readers for scanning and reading codes, barcodes, labels and plain text; checking and supervision apparatus for quality, dimension and surface control, position and workpiece recognition, namely, scientific apparatus in the nature of sensing and signaling devices for measurement and quality control of materials processing by laser, testing equipment for measuring the temperature, pressure, position or form of workpieces in a machine tool, scanners for automatic surface control and computer hardware; distance, weight, size and symmetry measuring apparatus for two-dimensional and three-dimensional surveying of materials, articles and living objects and for the evaluation and further processing of measured data generated thereby; image processing apparatus for developing and using image processing software; decoding boxes, namely, decoding apparatus and instruments; electronic decoders; sensor, in particular optical, electrical and electronic sensors for sensing physical and chemical properties such as distance, distance, acceleration, motion, elongation, flow, pressure, color, velocity, weight, light, surfaces, sound, layer thickness, temperature; cameras, in particular hand-held cameras, cameras for measuring volume, motion-activated cameras, matrix cameras, line scan cameras, digital cameras, infrared cameras, IP (internet protocol) speed dome cameras, digital speed cameras; semiconductor cameras