Flexible foam (for mattresses) is usually made of (A) PVC (B) Silicone (C) Polyurethanes (D) Polyamides

Flexible foam (for mattresses) is usually made of
(A) PVC
(B) Silicone
(C) Polyurethanes
(D) Polyamides
by

1 Answer

Answer :

(C) Polyurethanes
by

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