Smartglasses; head-mounted displays; interactive touchscreen terminals; counters; face recognition device; holograms; photocopiers [photographic, electrostatic, thermic]; weighing apparatus and instruments; slide calipers; signal lanterns; optical communication instrument; virtual reality headsets; projection apparatus; surveying apparatus and instruments; optical apparatus and instruments; fibre optic cables; parking sensors for vehicles; remote control apparatus; video screens; optical fibe...