Baby monitors; Computer peripheral devices; Data processing equipment, namely, couplers; Diving suits; Headphones; Microscopes; Photographic cameras; Stereoscopes; Telescopes; Wearable activity trackers; Cabinets for loudspeakers; Cases for smartphones; Tool measuring instruments; Transmitters of electronic signals; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, security systems

maintaining files and records for others concerning aircraft maintenance records