What materials do sofers use? What products do vegans refuse to use? Is #1 included in #2?
Sofer
A sofer is a transcriber of religious texts, and has its origins in Judaism. Sofers transcribe texts on a material known as vellum. Vellum is made of materials derived from calfskin. Vegans do not use any animal products.
profession
Would a sofer be a bad job for a vegan?