This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Polyurethanefoaming. Image Polyurethanefoaming Artifactless version available The foaming reaction of polyurethane vaahdotusreaktio own Lyra Organic reactions
Page 2023 Free-images.com. All images are Public Domain