Batteries, electric; Camcorders; Cinematographic cameras; Cordless telephones; Facsimile machines; Headphones; Integrated circuits; Notebook computers; Optical lenses; Scales; Spectacles; Video recorders; Video screens; Electric meters; Electrotechnical vibration meters; Frequency meters; Laboratory equipment and supplies, namely, calipers; Pocket calipers for measuring; Slide calipers