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In X-Ray interpretation, what does a red zone indicate?

  1. The item is very heavy

  2. There is significant resistance in scanning

  3. The item is made out of light materials

  4. The item is potentially harmful

The correct answer is: The item is made out of light materials

In X-Ray interpretation, a red zone typically indicates that the item is potentially harmful. This is due to the fact that items or materials that pose a significant risk to safety and security are often flagged in this way. Red zones are important indicators that signal the need for further investigation or caution, as they may contain weapons, explosives, or other dangerous objects. While lighter materials may appear in different zones, the specific association of a red zone with potential harm underscores the need for vigilance in security screenings. Thus, understanding the red zone as an alert to possible danger is crucial for ensuring safety.