The document discusses the use of reflective materials to help direct light back to its source for safety purposes such as marking hazards, survey points, and equipment. It explains that reflective materials can be applied using liquid sprays or brushes and adhere to many surfaces like stone, metal, plastic, and more to help protect people and locate objects in low-light conditions.

3. Look for the ARROW ON THE TREE Highlighted with just the flash of a camera

4. LIGHT DEFUSION PROPERTIES

5. BASIC PRINCIPLES OF LIGHT REFLECTION

7. DIRECT LIGHT REFLECTION PROPERTIES

8. DIRECT REFLECTIVE LIGHT PROVIDES A HIGHER PERCENTAGE OF SOURCE LIGHT ( YOUR HEAD LIGHTS OR SEARCH LIGHTS TO BOUNCE DIRECTLY BACK TO THE DIRECTION OF THE SOURCE.