Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
If I'm not mistaken, I believe payprus is the raw material for making paper. According to your above explanation, I believe the subject is about paper, especially book binding, since we have three entries all related to book binding.