Click to increase image sizeClick to decrease image sizeKeywords: Linear graph theoryReliabilityQualityConformanceFunctional topologies ACKNOWLEDGMENTS The authors take this opportunity to thank Tricia Cooper, Dorothy Kucar, and David Swan—former students in Systems Design Engineering at the University of Waterloo—for their valuable discussions on the article and the Natural Sciences and Engineering Research Council (NSERC) for their financial support during the project.