ISO 129 is an international standard that specifies the requirements for the design and performance of certain types of safety signs. It aims to ensure that these signs effectively communicate important safety information in various environments, such as workplaces and public areas. The standard covers aspects like color, shape, and symbols to enhance visibility and understanding. The guidelines set by ISO 129 help organizations create consistent and recognizable safety signage. By adhering to this standard, companies can improve safety awareness and reduce the risk of accidents, ultimately promoting a safer environment for employees and the public.