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.
Kristallziehanlage nach Czochralski . de Kristallziehanlage nach Czochralski LeyboldHochvakuumAnalgen GmbH Kln Aufgenommen im Deutschen Museum in Mnchen own Journey Czochralski method
Page 2023 Free-images.com. All images are Public Domain