What does the yellow diamond symbol represent?

The yellow diamond symbol is recognized as a warning indicator that highlights the potential hazards associated with the materials contained within a particular container. In the context of piped non-flammable medical gases, this symbol serves a crucial purpose by alerting personnel to the specific risks involved, ensuring they can take appropriate precautions when handling or working near the gas. Understanding the meaning of the yellow diamond is essential for safety and compliance, as it helps prevent accidents and promotes safe operational practices in environments where medical gases are managed.

The other options do not accurately represent the significance of the yellow diamond symbol, as they pertain to different aspects of gas management and safety.