Data processing apparatus; Computer peripheral devices; Fiber optic couplers; Document printers for use with computers; USB flash drives; computer hardware; Smartwatches; Attendance registering machines; mobile telephones; covers for smartphones; Cabinets for loudspeakers; Materials for electricity mains, namely, electrical wires; Battery chargers; rechargeable batteries; monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; slide proj...