What do round symbols in industrial safety labels signify?

Round symbols in industrial safety labels signify prohibition. These labels are designed to inform individuals of actions that are not permitted in a given area or context to ensure safety. The usage of a round shape is intentionally chosen because it is universally recognized as a symbol for restriction. This clear visual communication helps to prevent accidents and ensures that workers adhere to safety protocols. By understanding that round symbols denote prohibitions, employees can quickly recognize hazards and avoid behaviors that could lead to dangerous situations.

In contrast, the other options represent different safety messages: warning labels usually convey potential hazards and are marked by triangular shapes, while mandatory action signs are often depicted with circular symbols that include an icon and a specific instruction. General information is typically provided in various formats to convey a broader range of notices that may not directly relate to safety but serve to inform personnel about policies and procedures. Understanding these distinctions is crucial for maintaining a safe working environment.