What should a person do to create a visible beam of light when trapped?

To create a visible beam of light when trapped, turning on the flashlight and pointing it horizontally while sitting is the most effective method. This technique allows the light to travel further and be more easily seen by rescuers, as it remains at the level where searchers are likely to be looking. By positioning the flashlight horizontally, the beam can illuminate the surroundings, making the individual more visible.

This approach maximizes the flashlight's effectiveness because it reduces the chances of the light being lost in the ambient environment. This method would ensure that the light is noticeable and can help direct rescuers towards the trapped individual, especially in situations where sound may not carry effectively.

Other methods, like standing and waving the flashlight or holding it above the head, may not project the beam as effectively in many emergency scenarios. Flashing the light intermittently could potentially attract attention, but it may not provide a consistently visible beam that indicates precise location. Pointing it horizontally while seated combines visibility with ease of maintenance, crucial for any scenario where the trapped individual may not be able to move freely.