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Swiss Cheese Model.

Adapted from: Reason JT. Managing the Risks of Organizational Accidents. Aldershot, Hants, England: Ashgate: 1997.

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March 6, 2005
Adapted from: Reason JT. Managing the Risks of Organizational Accidents. Aldershot, Hants, England: Ashgate: 1997.

The "Swiss cheese" model illustrates how a particular hazard must penetrate multiple barriers and safeguards in order to cause harm.