Your staff needs to know the correct procedures to follow if there is an incident at your workplace that requires emergency evacuation. What is the most important aspect of an emergency evacuation? STAY CALM. The program explains the roles of the various wardens and how documentation and reporting should be handled. We just want everyone out safely! Our easy to remember acronym L.I.S.T.E.N. will give staff a simple way to remember lifesaving procedures in the event of an evacuation incident.