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.
Kontakt paralleler Zylinder. en Contact between Two Cylinders with Parallel Axes de Kontakt zwischen zwei Zylindern mit parallelen Achsen own Valentin Popov Contact mechanics
Page 2023 Free-images.com. All images are Public Domain