Many engineers agree that there is a need to improve on traditional ways of working in design. There are several reasons for this concern to develop new design procedures. One is the increasing complexity of modern design. A great vanety of new demands is increasingly being made on the designer, such as the new materials and devices (e.g. electronics) that become available and the new problems that are presented to designers. Many of the products and machines to be designed today have never existed before, and so the designer's previous experience may well be irrelevant and inadequate for these tasks. Therefore a new more systematic approach is needed, it is argued.
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