Blackboards; Crayons; Easels; Markers; Paintbrushes; Paintings; Pencils; Pictures; Stickers; Adhesives for stationery or household purposes; Artists' charcoal; Canvas for painting; Drawing pens; Oil pastels; Painting sets for children; Pencil sharpeners, electric or non-electric; Polymer modelling clay; Rubber erasers; Signboards of paper or cardboard; Watercolor paintings; Whiteboard erasers; Writing chalk; Writing paper; Writing paper pads; Writing utensils

Testing, inspection and research of medical apparatus and instruments

Amplifiers; Antennas; Battery chargers; Cases for smartphones; Coaxial cables; Computer peripheral devices; Electrical plugs and sockets; Electronic locks; GPS tracking devices; Headphones; Loudspeakers; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Radios; Transmitters of electronic signals; Webcams