Compare and Contrast

  1. An investigative technique that involves comparing same sized indicators within an indicator category at separate locations; looking for either differences or similarities in appearance.
    • Definition Extension:  Includes the comparison of overall patterns and pattern clusters.
  2. The practice of comparing and contrasting the fire damage on different surfaces of an object that has been subjected to the oncoming fire.
    • Definition Extension: Typically, the exposed side has more fire effects present than the contrasting protected side that normally has less fire effects visible.

Source: Guide to Wildland Fire Origin and Cause Determination, PMS 412.

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