Calculators; Pedometers; Scanners; Appliances for measuring the thickness of leather; Bar code readers; Computer keyboards; Computer mouse; Computer peripheral devices; Electronic sliding callipers; Electronic weighing scales for kitchen use; Folding rulers; Instruments for measuring length; Interfaces for computers; Lap-counting devices, namely, counters for use during sporting activities; Magnetic encoders; Measuring rulers; Parking meters; Surveying chains