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When designing you will need to choose appropriate materials to make your design from. There are many different types of materials but some are more suitable than others for a variety of reasons. Here is a selection of those reasons. STRONG - The material will resist - Tension forces -Compression forces -Torsion forces -Shear Forces TOUGH - The material can withstand shock (eg Hammer Blows) BRITTLE - The material will break easily if subject to slight shock or force HARD - The material is long lasting by being resistant to wear, weather, heat etc.
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