Why do planes have turbo fans?

Age- 6-8

Format – Paperback        

Publisher –  Oxford

 Condition of the book- Pre-Loved**                      

      A fascinating inttroduction to the world of industry and transport.                                                                                               

Product Description-*Pre-Loved- These are Pre-owned, Used Books that are in a good Condition. Undamaged cover, no missing pages, all pages intact (e.g., no creases or tears), no underlining/highlighting of text, no damage to binding, no writing in margin