Steelyards; Weighbridges; Apparatus and instruments for weighing; Balances; Lever scales; Microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; Pressure gauges; Pressure sensors; Scientific instrumentation for measuring weight; Strain gauges; Surveying instruments; Surveying machines and instruments; Tape measures; Weighing equipment, namely, scales and balances; Weights for use with weighing scales; Wireless electronic scales