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In 2004, the National Institute of Standards and Technology (NIST) published an analysis of the ventilation data collected as part of the U.S. EPA Building
The NIST Manufacturing Interoperability Program staff has years of experience developing standards, validating solutions, and providing interoperability results
Paper cut-out pyramid, 10 cm x 10 cm x 10 cm, listing metric conversion information on each face covering units of length, mass or weight, area or surface