The theory of multiple causes, multiple factors (Multiple Factor Theories).The theory is the theory that multiple factors, said the cause of the accident occurring. Several factors caused by the factors together, "by the time (Immediate causes), the cause may be an unsafe Act or condition of an employee who is not a theory of multiple factors, the reason there are many factors that encourage an accident by V.L. Gross has created a theoretical model of multiple causes, multiple factors that caused the accident by a factor of 4M is:
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