Transparency projection apparatus; Multimedia projectors; LCD projectors; Video projectors; Audiovisual receivers; slide projectors; audio-and video-receivers; [ Intercoms; optical lenses; ] data processing apparatus; projection screens; [ Amplifiers; Luminous signs; Pedometers; ] Electric batteries; chargers for electric batteries; computers; [ facsimile machines; ] smartphones; portable media players; Photographic cameras [ ; Clothing for protection against accidents; Theft alarms; spectacl...