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CMM

​A coordinate measuring machine (CMM) is a device that measures the geometry of physical objects by sensing discrete points on the surface of the object with a probe. Various types of probes are used in CMMs, including mechanical, optical, laser, and white light. Depending on the machine, the probe position may be manually controlled by an operator or it may be computer controlled. CMMs typically specify a probe's position in terms of its displacement from a reference position in a three-dimensional Cartesian coordinate system (i.e., with XYZ axes). In addition to moving the probe along the X, Y, and Z axes, many machines also allow the probe angle to be controlled to allow measurement of surfaces that would otherwise be unreachable.

​Market Rasen is a town and civil parish within the West Lindsey district of Lincolnshire, England. The River Rase runs through it east to west, approximately 13 miles (21 km) north-east from Lincoln, 18 miles (29 km) east from Gainsborough and 16 miles (26 km) south-west from Grimsby. It lies on the main road between Lincoln and Grimsby, the A46 and is on National Cycle Route 1 (part of EuroVelo 12) of the National Cycle Network.[2]

In 2001 the town had a population of 3,200.[3] In the 2011 census he population of the civil parish was 3,904.[4]

The town is known for Market Rasen Racecourse and being close to the epicentre of a 2008 earthquake.

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