To limit the probability that fasteners will be located near areas of stress concentration at cutouts, which could lead to shingles being torn or displaced under wind-uplift loads and loads imposed by the shrinkage of shingles, which could lead to water penetrating directly to roof decking or sheathing, which could lead to deterioration, which could lead to the structural failure of roofs or walls or of assemblies protected by roofs or walls, which could lead to harm to persons.