Answer:
Step-by-step explanation:
The hazard coding system (developed by the National Fire Protection Association, NFPA) helps the individual working with chemicals to know which chemical is a health hazard, inflammable hazard or a reactivity hazard. This makes the individual makes informed decisions while handling such chemicals and also assists the individual or first responders to know what to or not to do in emergency cases or accident (like contact with the skin).
NOTE: The colour code used here have the meanings below
Red: flammability/fire hazard
Blue: health hazard
Yellow: reactivity hazard
White: special hazard