9 Sensors and sensor assemblies for measuring, testing and monitoring the alignment of machines, parts of machines and shafts; optical sensors; laser-optical sensors; electric and electro-optical sensors; vibration meters; vibration measuring apparatus, namely, vibration meters, hand-held computers for measuring vibration; gradient measuring apparatus, namely, gradient indicators, gradient meters and hand-held computers to measure gradient; protractors; weighing apparatuses and instruments; distance measuring apparatuses and instruments; signaling apparatuses and instruments for measurement and quality control of materials processing by laser; sensing apparatus and instruments for measurement and quality control of materials processing by laser; electric control apparatus and instruments for capturing, testing, monitoring, interpreting and analysis of the alignment data of machines and parts of machines; computer software for measuring, monitoring, storing and transmitting over a global computer network physical quantity data values, organizing metrological data, and measuring, monitoring, storing and transmitting over a global computer network machine and machine part alignment data, data on the operating condition of machines and machine parts, and recordings of sounds from machines and machine parts; computer application software for measuring, monitoring, storing and transmitting over a global computer network physical quantity data values, organizing metrological data, and measuring, monitoring, storing and transmitting over a global computer network machine and machine part alignment data, data on the operating condition of machines and machine parts, and recordings of sounds from machines and machine parts; computer software for use in capturing, testing, monitoring, interpreting and analyzing sensor signals and sensor signal data and measurements; data processing equipment; computers; electronic apparatus and computers for capturing, interpreting and analyzing sensor signals and sensor signal data and measurements; automatic sensor control apparatus for capturing, interpreting and analyzing sensor signals and sensor signal data and measurements; weighing control apparatuses and instruments; electronic apparatus for the control of sensors; signaling control apparatuses and instruments for measurement and quality control of materials processing by laser; control apparatus and instruments for capturing, testing, monitoring, interpreting and analysis of the alignment data of machines, parts of machines and shafts