9 Sensors and sensor assemblies for capturing, measuring, testing, and monitoring the alignment of industrial machines, parts of industrial machines, and shafts; vibration meters; vibration measuring equipment; gradient indicators; protractors; weighing, measuring, signaling, testing, and checking apparatuses and instruments for capturing, testing, monitoring, interpreting, and analysis of the alignment of industrial machines, parts of industrial machines, and shafts; downloadable application software for capturing, testing, monitoring, interpreting and analysis of data, measurements, and sensor signals; downloadable computer software for capturing, testing, monitoring, interpreting and analysis of data, measurements, and sensor signals; data processing equipment; computers; electronic apparatuses, namely, geometrical alignment measurement devices, and computers for capturing, interpreting and analysis of data, measurements and sensor signals; measuring and control apparatuses and instruments, namely, geometrical alignment measurement devices, for capturing, interpreting and analysis of data, measurements and sensor signals; electrical control, testing and monitoring apparatuses, namely, geometrical alignment measurement devices used to automatically inspect the alignment of industrial machines, parts of industrial machines, and shafts; electrical control apparatuses for sensors, for weighing, signaling, testing and checking apparatuses and instruments, namely, industrial machines, parts of industrial machines, and shafts, for the maintenance of optimal performance