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.
Jkarhu propellers by Smit. Nickel steel propellers of Finnish icebreaker Jkarhu nl html Unknown advertisement for Machinefabriek Scheepswerf van Smit Jr PDold Jkarhu ship advertisements Ship propellers
Page 2023 Free-images.com. All images are Public Domain