| 188 / | HD | BRAKES |
| * | DD | ELEMENTS {6} |
| 219.1 | DF | .~ Beams or beam assemblies {6} |
| 225.6 | ![]() | .~.~ Trussed beam {4} |
| 226.1 | DF | .~.~.~> Integral tension and compression member |
| 228.1 | DF | .~.~.~> Tubular compression member |
| 228.6 | DF | .~.~.~> H, I, L, T, U, V, or X cross section compression member |
| 229.1 | DF | .~.~.~> With strut-type fulcrum {1} |