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TRIZ 40 Principles

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40. Composite materials

When things are made of all the same substance, they are vulnerable to problems that affect that material. By using a combination of materials, synergistic effects can be created where the different materials used not only contribute their different properties, they also act together to provide something that is better than any individual part. For example, composite bows can fire arrows further and more consistently than bows made of any single material.