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Ergonomics, investigation of human physical and mental abilities and the application of this knowledge in products, equipment, and artificial environments. The application of ergonomics can result in products that are safer or easier to use, such as a family car or food mixer. Alternatively, ergonomics can result in better procedures for performing tasks, from changing a nappy to welding. Ergonomists are scientists who have specialized in the study of the interface between people and the things they come into contact with-particularly artificial things. Their work yields information that helps other specialists, such as designers and engineers; to improve the usability of the products they develop. Ergonomists are likely to be involved in the manufacture of vehicles (cars, aeroplanes, and bicycles), household products (kitchen equipment, toys, computers, and furniture), clothing (shoes, sportswear, and jumpers) and many other products. The driver's seat in a car, for example, must be carefully designed to take...

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