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To see how a specific guide relates to standards in another grade , simply return here and select the alternative grade range desired . For a more specific guide to Physical Plant services , go to the Quick Reference Guide . The Magic Quadrant is intended solely as a research tool , and is not meant to be a specific guide to action . There is a specific guide that provides an overview of the PTC approach to Product Data Management and best practices for working with a Windchill system . In addition increased effort needs to go into the provision of computerized and paper based training materials as well as subject specific guides .