Before revision: Suppression mode sprinklers (formerly known as Early Suppression Fast Response (ESFR) sprinklers ) are intended to result in a severe sudden reduction of the heat release rate of the fire, followed quickly by complete extinguishment, prior to manual intervention.
After revision: Suppression mode sprinklers , also known as Early Suppression Fast Response (ESFR, sprinklers ) are intended to result in a severe sudden reduction of the heat release rate of the fire, prior to manual intervention.