All you need to know for ‘Timbers’ is right here… 7.1 Design contexts 7.2.1 Sources of Timber 7.2.2 The physical characteristics of timber 7.2.3 Growth rings 7.2.4 Social Footprint 7.3 Selection of Timbers 7.4 Forces and stresses on Timber 7.5 Stock forms and sizes 7.6 Manufacturing processes 7.7 Equipment and processes Trust yourself, you know more than you think you do.