It is imperative that the design requirement specifications of products and systems be based on the user, the environment, and the intended use of the product. Product design requirements become increasingly critical for extreme environments because the lack of proper product design may affect human performance, thus resulting in safety risks. This research discusses the identification of critical factors that can assist in measuring the degree to which a product adheres to user's design needs. The user centered design methodology is based on physical design, industrial design, cognitive design and user experience design components to ensure that all aspect affecting the user is incorporated in the product design.
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