Computer software for AI-based chatbots; virtual furniture; virtual snack; virtual stationery; virtual non-alcoholic beverages; virtual toys; virtual clothes; virtual pharmaceuticals; virtual cosmetics; virtual reality headsets; egg-candlers; alarms; calculating machines, data-processing equipment and computers; display for air analyzing apparatus; radiological apparatus for industrial purposes; optical fibers [light conducting filaments]; optical lenses; teaching robots; traffic-light appara...