| bumper → MadeOf → plastic | 0.60 | |
| bumper → MadeOf → rubber | 0.55 | |
| bumper → MadeOf → steel | 0.54 | |
| bumper → MadeOf → aluminum | 0.53 | |
| bumper → MadeOf → soft tpu | 0.36 | |
| bumper → MadeOf → high impact | 0.34 | |
| bumper → MadeOf → metal | 0.29 | |
| bumper → MadeOf → new materials | 0.29 | |
| bumper → MadeOf → pcb | 0.29 | |
| bumper → MadeOf → a foam cushioning material | 0.25 | |
| bumper → MadeOf → silvosan anti-bacterial vapour-… | 0.25 | |
| bumper → MadeOf → .120 wall steel tubing | 0.20 | |
| bumper → MadeOf → soft and durable polymer | 0.20 | |
| bumper → MadeOf → cording | 0.16 |