Minimise Material Variety

Most products contain several different types of materials. This is not always necessary and benefits can be achieved by standardising the materials used, particularly at end of life.

Pros: Simplified end of life treatment (e.g. recycling)
Cons: Could result in optimum materials not being used, leading to inefficiency and early disposal
Pros: Improved economies of scale, simplified logistics and reduced end of life treatment costs
Cons:
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