4. IED SIGNS
4.1.CATEGORIES OF SIGNS
There are six primary categories of signs that are fundamental to understand: Regularity, flattening, transfer, colour change, discardables, disturbances.
4.1.1.REGULARITY
Regularity is denoted by straight lines, arches or other geometrical shapes that would not normally be encountered in nature (see Images 32 to 37).
Image 32. A footprint is a clear example of regularity
Image 33. A buried link (wire or detonating cord) producing regularity in short grass
IED signs
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