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A depiction of Heinrich's original ratios. The accident triangle, also known as Heinrich's triangle or Bird's triangle, is a theory of industrial accident prevention. It shows a relationship between serious accidents, minor accidents and near misses.
Heinrich's work is claimed as the basis for the theory of behavior-based safety by some experts of this field, which holds that as many as 95 percent of all workplace accidents are caused by unsafe acts. Heinrich came to this conclusion after reviewing thousands of accident reports completed by supervisors, who generally blamed workers for ...
Hierarchy of hazard control is a system used in industry to prioritize possible interventions to minimize or eliminate exposure to hazards. [a] It is a widely accepted system promoted by numerous safety organizations.
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Emmental cheese with eyes. When cut into slices, each slice will have holes of varying sizes and positions. In the Swiss cheese model, an organization's defenses against failure are modeled as a series of imperfect barriers, represented as slices of cheese, specifically Swiss cheese with holes known as "eyes", such as Emmental cheese.
Domino effect accidents are an important process safety issue affecting process plants where significant amounts of hazardous materials are stored, transported, and processed. Losses of containment that result in fires or explosions can escalate to nearby equipment, due to thermal radiation, blast overpressure or other mechanisms, thus ...
The domino theory is a geopolitical theory which posits that changes in the political structure of one country tend to spread to neighboring countries in a domino effect. [1] It was prominent in the United States from the 1950s to the 1980s in the context of the Cold War , suggesting that if one country in a region came under the influence of ...
A domino effect is the cumulative effect produced when one event sets off a series of similar [1] or related events, a form of chain reaction. The term is an analogy to a falling row of dominoes . It typically refers to a linked sequence of events where the time between successive events is relatively short.