<p>Documents contains the complete OCR GCSE DT theory with a specialism in timbers. Key concepts on all areas are covered including materials, mechanisms, drawings and much more. Carried my GCSE DT!</p> <p>Textbook : OCR GCSE (9-1) Design and Technology<br /> Revision guide : OCR GCSE 9-1 Design &amp; Technology All-in-One Complete Revision and Practice</p> <ol> <li>pg</li> </ol>