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Coordinate measuring machines; contour measuring machines; roundness and cylindricity measuring machines; surface roughness measuring machines; metal hardness testing machines; coordinate measuring machines for use in measuring dimensions of various machine parts and assemblies in three dimensions; measuring apparatus and instruments for measuring size, shape, contour, roughness, metal hardness, and circularity of work pieces for use in quality control in manufacturing operations; measuring apparatus and instruments for real-time three-dimensional analysis of the shape of a measured object and outputting the shape of the object as a three-dimensional surface for use in quality control in manufacturing operations; measuring apparatus and instruments, namely, profile projectors for measuring the contour of objects for use in quality control in manufacturing operations; contour measuring instruments, namely, instruments for measuring the contour of objects for use in quality control in manufacturing operations; optical apparatus and instruments, namely, microscopes for use in quality control in manufacturing operations; optical inspection apparatus for industrial use; microscopes