A flamethrower is a device designed to project a long stream of fire. It typically consists of a fuel tank, a propellant, and a nozzle. When activated, the flamethrower ignites the fuel and expels it, creating a controlled flame that can reach significant distances. Flamethrowers have been used in military applications, particularly during World War I and World War II, for clearing obstacles and in combat. In addition to military use, flamethrowers have also found applications in agriculture and forestry. They can be used for controlled burns to manage vegetation, reduce wildfire risks, or clear land. However, due to their potential for destruction, flamethrowers are heavily regulated in many countries.