Electric components, namely, resistors and resistor networks, low value resistors, shunt resistors, foil resistors, current sensors, potentiometers, trimmer potentiometers, capacity sensors, inductor sensors, volume control sensors, inclinometer sensors, MEMS (microelectromechanical system) sensors, vibrating wire sensors, electrical resistance strain gauges, strain gauge transducers, load cells, pressure sensors, accelerators, sensors, stress analysis systems, strain gauge instrumentations, computer software for use in weighing systems and processes control, computer software for use in stress analysis; load cell modules that include electronic instrumentation and systems used for process control, for weighing and sorting, and for process control using transducers; strain gauge instrumentation, reflection polariscopes and photo elastic plastics in the nature of strain sensitive plastics for measuring strains on surfaces of materials for optical measurement and analysis of stresses and strains; strain gauge calibration equipment; strain gauge installation testers; accessories used for surface preparation and installation of electrical resistance strain gauges and bondable resistors, namely, soldering and welding equipment, namely, portable electric powered strain gauge welding and soldering apparatus, bondable electronic terminals, electric bridge completion modules, namely, gauge installation testers, for verifying the electrical quality of strain gauge installation; junction boxes; lift truck scales; force measurement, weight, web tension and strip tension digital indicators and sensors; digital I/O boards, namely, computer interface boards; web tension and strip systems consisting primarily of data transmitters, electronic controllers, programmable logic controllers (PLC), sensors, remotes indicators, and electronic displays for displaying measurement data and terminals for entering data; force measurement systems consisting primarily of data transmitters, electronic controllers, programmable logic controller (PLC), sensors, remotes indicators, load cells, and electronic displays for displaying measurement data and terminal for entering data; electro hydraulic positioning systems consisting primarily of servo controllers, programmable logic controller (PLC), hydraulic servo controls, signal conditioners, control valves and transducers, and micro-processor based hardware and software used to provide real-time communication of industrial processes; aircraft and vehicle scales and weighing equipment and systems overload and on-board weighing equipment and systems, namely, electronic controllers, and electronic displays for displaying measurement data and terminals for entering data, weighing systems consisting primarily of weighing scales, load cells, digital readout devices, weighing platforms and scales, and structural parts thereof; overload and on-board weighing equipment and systems, namely, electronic controllers, and electronic displays for displaying measurement data and terminals for entering data, weighing systems consisting primarily of weighing scales, load cells, digital readout devices, weighing platforms and scales, and structural parts thereof; strain indicators, namely, digital readout devices; data acquisition conditioners comprised of electronic sensors which detect various physical parameters and convert the physical parameters to electrical signals concerning equipment performance, and electronic signal conditioning circuits to convert analog waveforms into digital values for processing in the field of equipment performance; electronic measurement and sensor equipment and systems for use in rolling mills, paper mills and mining in the nature of detectors, scanners, gauges, sensors, and meters for industrial purposes, namely, metal detectors, hot metal detectors, opto-electronic gauges in the nature of displacement transducers and fluid pressure transducers, tension meters, and computer software and hardware for controlling actuation of a shear blade used in a steel rolling mill