3D spectacles; Computer mouse; Computer networking hardware; Digital multimeters; Dynamometers; Electrical plugs and sockets; Electrical terminators; Eyeglass frames; Liquid level sensors; Mouse pads; Power supplies; Pressure sensors; Protective helmets; Rechargeable electric batteries; Slide calipers; Solderers' helmets; Spectacle cases; Spectacle frames; Stands for photographic apparatus; Spectacles; Sunglasses