Final answer:
The NFPA 704 marking system addresses hazardous materials at fixed facilities. It provides safety information about substances including flammability, reactivity, and health hazards.
Step-by-step explanation:
The NFPA 704 marking system addresses hazardous materials at fixed facilities. It provides safety information about certain substances, including details about flammability, reactivity, and health hazards. The system uses a diamond symbol with different colors to indicate fire hazard, health hazard, reactivity hazard, and special hazards.