Design & Technology Timbers ContentEdexcel GCSE 1DT0 Design & Technology Lesson SlidesTap on any of the buttons below to access the lesson slides! 7.1 Design Context 7.2 Sources of Timbers 7.3 Selection of Timbers 7.4 Strengthening Timber 7.5 Stock Forms and Sizes 7.6 Manufacturing Process 7.7 Equipment and Processes for Prototypes 7.8 Surface Treatments and Finishes