Proximity sensors; Photoelectric sensors; Spectrograph apparatus; Optical inspection apparatus for industrial use; Measuring instrumentation and apparatus, namely, digitizers; Machine vision cameras; Optical scanners; Zoom microscopes; Digital cameras for industrial use; Downloadable computer software for application and database integration; Laser range finders; Interferometers; Surface roughness testing machines and instruments; Optical sensors; Profile projectors; Optical profilers; Survey...