Measuring apparatus; sound transmitting apparatus; sound recording apparatus; cases especially made for photographic apparatus and instruments; apparatus for editing cinematographic film; weighing apparatus and instruments; nautical apparatus and instruments; optical glass; optical apparatus and instruments; naval signalling apparatus; teaching apparatus; electricity conduits; materials for electricity mains [wires, cables]; compact discs [audio-video]; mechanisms for coin-operated apparatus; cash registers; calculating machines; computers; computer software, recorded; computer software applications, downloadable; fire-extinguishing apparatus; spectacles; sunglasses; optical lenses; contact lenses; spectacle frames; eyeglass frames; spectacle cases; eyeglass cases; cases for smartphones; covers for smartphones; cases for smartphones incorporating a keyboard; contact lens cases incorporating ultrasonic cleaning functions; spectacle chains; eyeglass chains; spectacle cords; eyeglass cords; USB flash drives; earpieces for remote communication; headsets; virtual reality headsets; headphones; bags adapted for laptops; smartwatches; smart rings; downloadable digital files authenticated by non-fungible tokens [NFTs]; compact discs [read-only memory]; computer memory devices; protective helmets for sports; goggles for sports