Over the last few decades, the Shell Group has been quite successful in reducing LTIF and TRCF by focusing on these indicators, but this has not resulted in an equally significant reduction in FAR.

One explanation for this is seen to lie in the fact that the incident "iceberg" has a significantly different shape for different classes of activities.

Focusing on reducing LTIF and TRCF can result in a focusing on the wrong class of activities, which actually contribute less to the overall FAR.

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