| 238 / | HD | RAILWAYS: SURFACE TRACK |
| 151 | | RAIL JOINTS {28} |
| 152 | DF | .~> Insulated {3} |
| 161.5 | DF | .~> Lubricant- or liquid-containing |
| 162 | DF | .~> Cast on |
| 163 | DF | .~> Molten filler |
| 164 | DF | .~> Welded |
| 165 | DF | .~> Switch rail |
| 166 | DF | .~> Pivoted |
| 167 | DF | .~> Compromise |
| 168 | DF | .~> Truss rod |
| 169 | DF | .~> Parallel beams |
| 170 | DF | .~> Gravity |
| 171 | DF | .~> Expansion deflectors |
| 172 | DF | .~> Vertical adjustment |
| 173 | DF | .~> Yielding rail end |
| 174 | DF | .~> Variable levels |
| 175 | DF | .~> Special rails {3} |
| 179 | DF | .~> Internal key |
| 180 | DF | .~> Flush web key |
| 181 | DF | .~> Web key splice lock |
| 182 | DF | .~> Joint lug key |
| 183 | DF | .~> Integral web key and bars |
| 184 | DF | .~> Web locks |
| 185 | DF | .~> Z-form {1} |
| 187 | DF | .~> Chair {3} |
| 209 | DF | .~> Base plate {8} |
| 218 | DF | .~> Tread bridge {7} |
| 230 | DF | .~> Scarf {5} |
| 243 | DF | .~> Splice bars {18} |