Firefighters work in one of the most dangerous vocations. It is also one of the most important, because nothing is more harmful - or deadly - than fire. It takes power and energy to swing a fire axe or aim a fire hose that shoots water at 300 pounds per square inch. But being physically strong isn't the only requirement for a career in firefighting. The majority of calls to fire departments are for medical situations. In order to give on-site care to victims of accidents, natural disasters, or crimes, many fire departments require firefighters to be trained as emergency medical technicians. 

Over 90% of all career firefighters work in municipal or county fire departments. However, firemen are also hired by airports, chemical and manufacturing facilities, and firefighting agencies. Volunteer fire companies may also have opportunities, albeit they may be restricted because the rising amount of specialised training required makes it more difficult for volunteers to remain qualified. 

Firefighters also assist victims of natural catastrophes such as earthquakes, tornadoes, and floods. They could assist with the cleanup of oil spills and dangerous items. Many firefighters are also involved in public education and fire prevention initiatives, because the best fire is one that never starts in the first place.