Which of the following colors in the NFPA system indicates the presence of other hazards or special precautions?

In the NFPA (National Fire Protection Association) labeling system, the color white is designated to indicate special hazards or precautions that may be present in addition to the primary hazards represented by the other colors. This can include specific risks such as radiation, corrosives, or other unique dangers that do not neatly fit into the standard categories of flammability, health, or reactivity.

Red is used for flammability, blue indicates health hazards, and yellow represents reactivity. Each of these colors corresponds to a specific aspect of hazard identification, but white stands apart by highlighting additional or special considerations that need attention when handling or working with the materials in question. Understanding this system is crucial for maintaining safety in environments where hazardous materials are present, ensuring that individuals are aware of all potential risks.