Alarms; Surveying instruments; Calipers; Spirit levels; Slide calipers; Measuring apparatus; Covers for electric outlets; Alcoholmeters; Protection devices for personal use against accidents; Slide-rules; Quantity indicators; Eyepieces; Whistle alarms; Signs, luminous; Levels (instruments for determining the horizontal); Reflective safety vests; Reflective devices for the prevention of traffic accidents; Antennas; Electrical accumulators