Foam rubber; polyurethane foam. The air-filled matrix structure as shown here is created by manufacturing rubber with a foaming agent | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Winters, Charles D. |
Bildgröße: | 2236 px × 3378 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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