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Heinrich's Domino Theory - Coggle Diagram

- - - - Person's social environment
    - - Inheritance
- - - - Natural flaws
    - - Environmental flaws
- - - - Improper attitude
      - Lack of knowledge or skill
      - Physical unsuitability
    - - Unsafe environment
      - No interventions to correct behaviour
      - No on-the-job training
      - Fail to identify risk/s and/or hazards
    - - Unguarded machinery
      - Unsafe tools
      - Unsafe processes