| rail → MadeOf → steel | 0.64 | |
| rail → MadeOf → wood | 0.62 | |
| rail → MadeOf → aluminum | 0.61 | |
| rail → MadeOf → metal | 0.53 | |
| rail → MadeOf → plastic | 0.53 | |
| rail → MadeOf → aluminium | 0.52 | |
| rail → MadeOf → chromoly | 0.41 | |
| rail → MadeOf → extruded aluminium | 0.39 | |
| rail → MadeOf → carbon fiber | 0.33 | |
| rail → MadeOf → anodized | 0.28 | |
| rail → MadeOf → chrome plated steel | 0.28 | |
| rail → MadeOf → composite materials | 0.28 | |
| rail → MadeOf → high grade | 0.28 | |
| rail → MadeOf → horizontal 2×4 | 0.28 | |
| rail → MadeOf → powder coated aluminium profiles | 0.28 | |
| rail → MadeOf → primed mdf | 0.28 | |
| rail → MadeOf → iron | 0.28 | |
| rail → MadeOf → brass | 0.25 | |
| rail → MadeOf → cork | 0.25 | |
| rail → MadeOf → titanium | 0.25 |