Free handmade revision notes tailored for GCSE and A Level Design and Technology

2.1 Design contexts
2.2 Sources, origins and properties
2.3 Factors influencing material selection
2.4 Forces and stresses
2.5 Stock forms, types and sizes
2.6 Processes and scales of production
2.7 Specialist techniques, tools and equipment
2.8 Surface treatments and finishes

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