| 52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
| 561 | ![]() | LATERALLY RELATED, INDIVIDUALLY ASSEMBLED COURSES {4} |
| 562 | DF | .~> Utilizing discrete dissimilar material tie {3} |
| 566 | DF | .~> Header unit traverses course {1} |
| 568 | DF | .~> Connected by transverse hidden joining member |
| 569 | DF | .~> Opposed lateral monolithic projections on modules {2} |