52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
561 | DF | LATERALLY RELATED, INDIVIDUALLY ASSEMBLED COURSES {4} |
562 | .~ Utilizing discrete dissimilar material tie {3} | |
563 | DF | .~.~> Engaging lateral integral projection on module |
564 | DF | .~.~> Engaging opposed deformations in course modules |
565 | DF | .~.~> Embedded in course module |