Scientific (other than medical), nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission, reproduction or processing of sound or images; computer software, recorded

Evaluations, assessments and research in the fields of science and technology provided by engineers; design and development of computers and software; development (design), installation, maintenance, updating or rental of software; data conversion of computer programmes and data