Firefighting involves extremely hard, skilled physical work, and firefighters must be able to handle emergency, life-or-death situations. Firefighters must also be willing learners. There will be continuous in-service training throughout their careers keeps them up-to-date on the newest technologies and latest fire suppression methods. Training in the fire service encompasses many subjects, such as building construction, emergency medical procedures, hazardous materials, technical rescue, public education, community relations. Firefighters must have strong social skills, and the ability to think and communicate clearly in very stressful situations.