<prompt> Translate the following text to EnglishKwa ufupi, kuna darasa dogo la vifaa vya maktaba, moja kwa ajili ya vitabu, moja kwa ajili ya vifaa vya kuchapishwa, na kadhaa kwa ajili ya magazeti.  <response>: In short, there is a subclass for library materials, one for books, one for bound printed matter, and several for periodicals. 