Dna chips; dosage dispensers; contact lenses; batteries; software; distance recording apparatus; range finders; interfaces for detectors; alarms; weighing apparatus and instruments; electronic frequency converters for high-velocity electromotors; waveguides for high power beam delivery; fixed multi channel communication apparatus; radiology screens for industrial purposes; optical disk readers; junction sleeves for fibre optics; cables for optical signal transmission; optical frequency metrol...