memory foam
(subgroup of
foam)
→
ReceivesAction
→
used in mattress
|
0.48 | |
| cotton → ReceivesAction → used in mattress | 0.28 | |
| spring → ReceivesAction → used in mattress | 0.27 | |
| gel → ReceivesAction → used in mattress | 0.25 |