Accident/incident analysis direct causes

The definition of hazard earlier in this chapter lists three elements that can lead to accidents activities, conditions and circumstances. Causes of accidents often involve unsafe acts (activities) and unsafe conditions. When performing risk analysis, one may also consider circumstances surrounding a potential event. It is not uncommon for the circumstances to add to the severity of the event. For example, an automobile crashing into another vehicle may deflect into a gasoline storage tank located nearby but not directly involved in an incident. The event just happens to occur at the tank s location. 

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