Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; laboratory equipment, including an apparatus for screening samples, detecting the presence of analytes in samples, and identifying sample type, together with measuring patterns and equipment for making molecular arrays, and parts therefor