52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
272 | DF | INTERSECTION OF WALL TO FLOOR, CEILING, ROOF, OR ANOTHER WALL (I.E., TWO-WAY CORNER CONSTRUCTION) {8} |
281 | DF | .~ Sustainer coextensive with junction of panels or modules {1} |
282.1 | DF | .~.~ Exposed sustainer {3} |
282.3 | .~.~.~ Wall, ceiling, or floor section designed to receive corner connector |