Complex sentence: The A514 and A517 standards were set by the organization'ASTM International', a voluntary standards development organization that sets technical standards for materials, products, systems, and services.
Split into simpler sentences: The A514 and A517 standards were set by the standards organization ASTM International. This is a standard set by the organization'ASTM International', a voluntary standards development organization that sets technical standards for materials, products, systems, and services.