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A contiguous and undivided shelter comprising a partially or totally enclosed space, erected by means of a planned process of forming and combining materials. (ASTM Definition revised with addition of contiguous and undivided)
A Unified Approach for Measuring Office Space | For Use in Facility and Property Management : Copyright 2007. Building Owners and Managers Association International and International Facility Management Association. All rights reserved. ISBN # 1-883176-73-5