Electronic and electrical apparatus and instruments for measuring, controlling, recording, processing and displaying data; computer hardware and software for measuring, controlling, recording, processing, and displaying data; programmable controllers for controlling plant, machinery and apparatus of all sorts including electronic apparatus; computer and electronic devices and circuit boards for controlling plant, machinery and apparatus of all sorts including electronic apparatus; storage media including electronic, magnetic and optical data carriers; recording discs; apparatus and equipment for recording, processing, transmitting and/or reproducing data, sound and/or images; parts, fittings and accessories for all the aforesaid products