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In some industries the impact of human errors can be catastrophic. These include the nuclear and chemical industries, rail and sea transport and aviation, including air traffic control.
When disasters occur, the blame is often laid with the operators, pilots or drivers concerned - and labelled 'human error'. Often though, the errors are caused by poor equipment and system design.
Ergonomists working in these areas pay particular attention to the mental demands on the operators, designing tasks and equipment to minimise the chances of misreading information or operating the wrong controls, for example.
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