Interactive touchscreen terminals; Downloadable mobile operating system software; Computer operating programs, recorded; Tablet computers; Smartwatches; Biometric scanners; Plotters; Weighing machines; Slide calipers; Flashing safety lights; Mobile telephones; Ring holders for mobile telephones; Wearable activity trackers; Portable vibration speakers; Wireless speakers; Ear phones; Teaching robots; Optical inspection apparatus; Optical lanterns; Audio cables; Electromagnetic coils; Ionization apparatus for scientific or laboratory use; Spectacles