9 office machines, namely, adding machines, electronic blackboards and overhead projectors, calculators, handheld and desk model electronic databanks, microcassette audiotape recorders; computer accessories, namely blank magnetic data cartridges, blank magnetic tape, and blank magnetic diskettes; and diskette fileboxes; computer stands; antistatic protective equipment, namely, antistatic mats, pads and conductive strips, cloths and sprays; electric erasers; freestanding computer workstations