PROSCENIC

Air analysis apparatus; Angle gauges; Control valves for regulating the flow of gases and liquids; Electrolysers; Electronic agendas; Electronic regulating and control devices for the operation of light emitting diodes; Epidiascopes; Multiprocessor chips; Periscopes; Punched card machines for offices; Reflecting discs for wear, for the prevention of traffic accidents; Respiratory masks for non-medical purposes; Robots for personal or hobby use; Scales with body mass analysers; Slide-rules; Solar batteries; Sound alarms; Underwater breathing apparatus; Video baby monitors; Wearable activity trackers