| 52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
| 27 | DF | INCLUDING COMPONENT (E.G., WALL) DESIGNED TO RECEIVE A DISPARATE ARTICLE HAVING DISPARATE ARTICLE MOUNTED THERETO {12} |
| 29 | ![]() | .~ Mounted for movement {3} |
| 30 | DF | .~.~> Elevator in multistory |
| 31 | DF | .~.~> Revolving or endless-type conveyor |
| 32 | DF | .~.~> Swinging |