A fire burns due to the presence of three elements: fuel, oxygen and heat. This is often referred to as the fire triangle. Sometimes it is known as the fire tetrahedron if a fourth element is added: a chemical chain reaction wh… See more

To allow protection from the inherent risks of fighting fires, firefighters wear and carry protective and self-rescue equipment at all times. A self-contained breathing apparatus (SCBA) delivers air to the firefighter through a … See more

In a country with a comprehensive fire service, fire departments must be able to send firefighters to emergencies at any hour of day or night, to arrive on the scene within minutes. In urban areas, this means that full-tim… See more

A key difference between many countries' fire services is what the balance is between full-time and volunteer (or on-call) firefighters. In the United States and United Kingdom, large metropolitan fire department… See more