To plan and conduct effective emergency drills, you need to define the objectives and scope of the drill, select participants and assign roles, prepare the scenario and materials, communicate the drill to relevant stakeholders, conduct the drill and monitor progress, as well as debrief and evaluate it. Defining objectives will help you determine what type of emergency to simulate and what outcomes to expect. Choosing participants will involve deciding who will act as observers, evaluators, or facilitators. Preparing the scenario and materials involves detailing the timeline of the scenario and gathering resources and equipment. Communicating the drill includes informing employees, management, and external partners about it. During the drill, you must initiate and end it while tracking and recording participant actions. Finally, debriefing and evaluating requires collecting feedback data from the drill to identify strengths and weaknesses in your safety plan.