Patterns recur across industries.
A confined-space fatality in petrochemicals is not, on a deep reading, a different incident from a confined-space fatality in shipbuilding or in waste-to-energy. The hardware varies; the organisational chain that produced the incident usually does not. Recognising those chains depends on having investigated them in multiple contexts.
That breadth is what allows a senior investigator to walk on to a site and identify, within hours rather than weeks, the questions that will matter most — and the evidence most likely to disappear if it isn’t secured immediately.