Chapter 8

Human factors and ergonomics

The operation and design of process plants involves input and participation from humans in every step of the way. Therefore, it is vital to understand how humans interface with equipment and instruments, how and why they make errors, and how systems can be designed to address human failings. The way in which this is done is through the topic of human factors.


Human factors; Human error; Errors of intent; Slips; Mistakes; Ergonomics; Work stations; Control rooms; Valve criticality; Signs; Labeling

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