org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Wooden ruler with several typographic units Persian خط کش چوبی با چندین واحد اندازه گیری
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or
copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must