| radiator → MadeOf → aluminum | 0.59 | |
| radiator → MadeOf → mild steel | 0.56 | |
| radiator → MadeOf → metal | 0.48 | |
| radiator → MadeOf → copper | 0.46 | |
| radiator → MadeOf → brass | 0.46 | |
| radiator → MadeOf → cast iron | 0.44 | |
| radiator → MadeOf → black finish | 0.40 | |
| radiator → MadeOf → plastic | 0.31 | |
| radiator → MadeOf → titanium tubes | 0.25 |