[ Data processing equipment, namely, couplers; Microprocessors; Smartphones; Slide projectors; Air analysis apparatus; Telescopes; Protective helmets; Eyeglasses; Chargers for electric batteries; Scales; Time switches, automatic; ] Lap-counting devices, namely, counters for use during sporting activities [ ; Photographic transparencies; Electric theft prevention installations, namely, Burglar alarms; Flashing safety lights ]