During your “Risk Modification Scavenger Hunt” many of you i…

During your “Risk Modification Scavenger Hunt” many of you identified Fire Alarms and Fire Extinguishers (like the ones pictured below) that are found around campus. The fire alarms are used are used to alert people / fire department that a fire has started somewhere in the building; and the fire extinguishers are used to (hopefully) extinguish the fire before it rages out of control.    These devices are an example of which type of risk modification technique?