Electric batteries; Weighing apparatus and instruments; Slide calipers; Hand held lasers for measuring distances; Rulers (measuring instruments); Verniers; Global positioning system (GPS) apparatus; Smoke detectors; Satellite communications equipment; Surveying instruments; Distance measuring apparatus; Telemeters; Hygrometers; Surveyors' levels; Protection devices for personal use against accidents; Saccharometers; Temperature indicators; Voltage testers; Bells (warning devices); Anti-theft warning apparatus